If you have ever aimed your telescope at Jupiter and walked away disappointed because the planet looked like a tiny cream-colored marble, you are not alone. I spent my first six months of planetary observation wondering what seasoned astronomers were seeing that I was missing. The answer turned out to be one of the most affordable upgrades you can buy: the right planetary filter.
The best telescope filters for planets are colored glass discs that thread onto your eyepiece and selectively transmit certain wavelengths of light. By blocking competing wavelengths, they crank up the contrast between cloud bands, polar caps, ring details, and storm features that look washed out without help. After three years of testing color filters, neutral density moon filters, and light pollution filters across five different telescopes, our team put together this roundup to save you the trial and error.
This guide covers the Wratten filter system, the specific filter numbers that work best on Jupiter, Saturn, Mars, and Venus, and twelve products that deliver real contrast gains in 2026. Whether you own a small 80mm refractor or an 8 inch Dobsonian, there is a filter here that will sharpen your view tonight.
Table of Contents
Top 3 Picks for Planetary Filters in 2026
Celestron 1.25 inch Moon…
- Reduces lunar glare
- Threads to 1.25 inch eyepieces
- 2 year warranty
NEEWER 10 Pack Filter Set
- Ten filters included
- Variable polarizers
- UHC plus 5 color filters
Best Telescope Filters for Planets (September 2026)
| Product | Specs | Action |
|---|---|---|
| Celestron 1.25 inch Moon Filter |
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| Neewer 5 Color Filter Set |
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 Celestron Lunar and Planetary Filter Set |
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 SVBONY 7 Piece Filter Kit |
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 Celestron Variable Moon Filter |
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 SVBONY 2 inch Moon Filter |
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 SVBONY UHC Light Pollution Filter |
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 Celestron Neutral Density 13 Percent Filter |
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| NEEWER 10 Pack Filter Set |
|
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 Celestron Moon Filter Set with Moon Map |
|
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 Astromania 7 Piece Color Filter Set |
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 Pocnsen 6 Color Filter Set |
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Check Latest Price |
1. Celestron 1.25 inch Moon Filter – Best Telescope Filter for the Moon and Bright Planets
Celestron Moon Filter for Telescopes – Fits Most 1.25″ Eyepieces
Reduces glare
Threads to 1.25 inch
2 year warranty
Pros
- Massive 2
- 463 review base confirms reliability
- Threads onto most 1.25 inch eyepieces in seconds
- Useful for moon plus bright planets and daytime viewing
- Backed by Celestron 2 year warranty
Cons
- Greenish tint on lunar surface
- Plastic threading feels light
- Comes in a soft pouch not hard case
When I first set up my 8 inch Dobsonian on a near-full moon night, Jupiter looked pale and the moon itself was uncomfortable to look at. I screwed on the Celestron 1.25 inch Moon Filter and the difference was immediate. The lunar craters popped with shadow detail I had never seen before, and Jupiter’s two main cloud belts became obvious for the first time. This is the filter I recommend to every beginner who asks me where to start.
The build is simple and effective. A neutral density glass element sits inside a metal cell that threads into the bottom of any 1.25 inch eyepiece. The filter reduces incoming light without dramatically shifting the color balance, which makes it work equally well on the moon and on bright planets like Venus and Jupiter. At well under fifteen dollars, it is the cheapest upgrade that delivers an instant, visible improvement in your eyepiece view.
Over six months of regular use the filter never loosened or dewed up badly inside the housing. The only real complaint from my own tests, and from hundreds of owners, is a slight greenish tint on white lunar surfaces. If that bothers you, stack a #80A blue filter on top and the moon returns to a more natural color while keeping the glare reduction. For the price, nothing else comes close to this kind of proven performance.
For whom its good
This filter is ideal for beginners who just unboxed their first telescope and want to immediately improve their views of the moon and bright planets. It also suits anyone on a tight budget who wants one filter that does several jobs well. Observers with small to medium refractors and reflectors from 60mm to 8 inches will get the most out of it.
If you run public star parties, the Celestron Moon Filter is the single piece of gear that makes your telescope comfortable for first-time viewers. It instantly takes the harsh edge off a bright moon without dimming the planet you want to show off.
For whom its bad
Astrophotographers who need perfect color rendition for stacking planetary images will want a different filter because of the greenish cast. Owners of very large Dobsonians above 10 inches may find the fixed density still lets in too much light on a full moon.
Anyone who already owns a variable polarizer will not benefit from buying this as a second moon filter. The variable version covers every brightness condition in one unit.
2. Neewer 1.25 inch 5 Color Filter Set – Best Value Planetary Filter Kit
Neewer 1.25 inches Telescope Moon Filter, CPL Filter, 5 Color Filters Set(Red, Orange, Yellow, Green, Blue), Eyepieces Filters for Enhancing Definition and Resolution in Lunar Planetary Observation
5 color filters plus CPL
Stackable threads
Multi-coated optics
Pros
- Includes moon filter
- CPL
- and 5 color filters
- Stackable double-threaded design
- Multi-coated glass for better transmission
- Comes in velcro storage packets
Cons
- Filters are not numbered for identification
- Not premium enough for serious planetary work
- CPL is the standout performer
The Neewer 5 Color Filter Set is what I hand to friends who want to try planetary filters without committing to a more expensive set. For around twenty-five dollars you get a moon filter, a polarizing filter, and the five Wratten-style colors that cover every planet you can point a telescope at. It is the closest thing to a starter laboratory for learning how color contrast works on Jupiter, Saturn, and Mars.
I tested the red and blue filters on Jupiter at 150x magnification in my 6 inch Newtonian. The red filter (#23A equivalent) darkened the bright equatorial zones enough to reveal three cloud belts instead of two, while the blue filter (#82A) sharpened the edges of the Great Red Spot during steady seeing. Stacking the moon filter with a color filter was easy thanks to the double-threaded cells.
The biggest weakness is that the filters are not labeled with Wratten numbers. You will need a reference chart to know which color to grab when you switch from Mars to Saturn. The CPL polarizing filter is the surprise star of the set, cutting reflections off bright planets and giving noticeably cleaner views of the moon at high power.
For whom its good
Beginners who want to experiment with color filters across multiple planets without spending over fifty dollars will love this set. Owners of small to medium telescopes from 70mm to 6 inches will see clear contrast improvements on Jupiter, Saturn, and Mars.
Amateur astrophotographers who occasionally shoot the moon and bright planets with a planetary camera will find the CPL filter particularly useful for cutting atmospheric glare in single exposures.
For whom its bad
Visual observers with 8 inch or larger scopes who want maximum image brightness may find these filters slightly dim compared to premium Schott glass options. The lack of Wratten numbering will frustrate users who follow planet-specific filter charts.
Astronomers who already own a UHC or light pollution filter will not need the included SkyGlow filter and may prefer a simpler color-only kit.
3. Celestron Lunar and Planetary Filter Set – Best Beginner Planetary Filter Set
Celestron Lunar and Planetary Telescope Filter Set – Fits 1.25″ Eyepieces
4 stackable filters
Aluminum housings
Protective case included
Pros
- Includes yellow
- orange
- blue
- and neutral density filter
- Stackable aluminum cells
- Comes with planet filter guide
- Durable metal construction
Cons
- Some filters may rattle in housings
- 50 percent ND may be too bright for full moon
- Smaller review base than competitors
Celestron designed this set as a one-stop introduction to the four most useful planetary filter colors. Inside the plastic carrying case you get a #12 deep yellow, a #21 orange, a #80A light blue, and an ND-96 neutral density filter. Those four cover the highlights of what most observers will ever need for the moon, Jupiter, Saturn, and Mars.
I ran the orange filter on Saturn at 200x and the Cassini Division became easier to hold steady during moments of good seeing. The #80A blue filter did a nice job on Jupiter’s equatorial belts, darkening the orange-tinted zones so the brighter zones stood out. The aluminum cells thread on both top and bottom, so you can stack a color filter with the neutral density filter for very bright targets.
The neutral density filter is the part that impressed me the least. At 50 percent transmission, it barely dimmed a full moon in my 10 inch Dobsonian. For anything brighter than a half moon, you will want a darker filter or a variable polarizer. Some users also report the filters rattle loosely in their cells, though I did not see this in my sample.
For whom its good
Beginners who want one boxed kit that includes the most popular Wratten filter numbers will find this set perfect. Owners of mid-size telescopes from 4 to 8 inches will see good contrast results on every planet.
Educators running astronomy classes will appreciate that this set comes with a printed guide to which filter to use on which planet. The protective case also makes it easy to transport to outreach events.
For whom its bad
Observers with 10 inch and larger telescopes will find the 50 percent neutral density filter too bright for a full moon. Owners who already own a moon filter will be paying for a duplicate.
Anyone who wants filter set choices beyond four basic colors will outgrow this kit quickly. The Astromania 7-piece or NEEWER 10-pack options offer much more variety for slightly more money.
4. SVBONY 7 Piece Filter Kit – Best Budget Planetary Filter Bundle
SVBONY Telescope Filters 1.25″ Moon, CPL, Five Color Filter Kit(7PCS)
7 pieces included
Aluminum alloy frame
Standard 1.25 inch threads
Pros
- Includes moon filter
- CPL
- and 5 color filters
- Aluminum alloy frame construction
- Each filter in its own case
- Threads cleanly onto 1.25 inch eyepieces
Cons
- Not double-threaded so cannot stack
- Color filter effects on planets are mild
- Light pollution filter not strong enough for urban skies
SVBONY built this kit for observers who want a complete filter collection at a price that does not sting. The package includes a neutral density moon filter, a CPL polarizing filter, and five color filters covering red, orange, yellow, green, and blue. For under thirty dollars, that is a lot of gear to experiment with.
In my backyard tests the 23A red filter pulled subtle Mars surface markings out of the usual salmon-colored blur during a favorable opposition. The yellow #12 filter did what yellow filters always do on Saturn, darkening the sky background and making the rings stand out crisper. The CPL filter is a useful tool for cutting glare on bright lunar craters near the terminator.
The biggest compromise is that the filters are not double-threaded. You cannot stack a color filter with the moon filter, which limits the combinations you can try. Each filter does come in its own protective plastic case, which is a nice touch at this price. For most beginners, this is the sweet spot between cost and feature count.
For whom its good
Beginners who want a wide variety of filter types to learn from will get tremendous value here. Owners of 4 to 8 inch telescopes will see noticeable contrast improvements on every planet and the moon.
Anyone shopping for an affordable gift for a new astronomer will appreciate the included cases and broad coverage. The kit covers lunar, planetary, and light pollution needs in one purchase.
For whom its bad
Astrophotographers who want to stack filters for imaging will be frustrated by the single-threaded design. Observers under heavy light pollution will need a stronger UHC filter for deep sky work.
Visual observers who only ever look at the moon may be paying for color filters they will rarely use. A simple ND moon filter would be a more focused purchase.
5. Celestron Variable Moon Filter – Best Adjustable Brightness Filter
Celestron Variable Moon Filter for Telescope Eyepieces
1 to 40 percent adjustable
Neutral color rendition
Polarizer design
Pros
- Adjustable 1 to 40 percent brightness
- Neutral color without greenish tint
- Simple rotation to tune brightness
- Ideal for public outreach and variable conditions
Cons
- Thick design can hit prism on star diagonals
- No markings to show current setting
- Hard to adjust in total darkness
The Celestron Variable Moon Filter solved a problem I did not know I had until I tried it. Fixed neutral density moon filters come in a few standard densities, but the moon changes brightness every night depending on phase, altitude, and atmospheric transparency. A 13 percent filter is too dim on a thin crescent and not dim enough on a full moon. The variable polarizer lets you dial in exactly the brightness you want by rotating the lower ring.
I left it set about halfway for most moon sessions in my 8 inch scope. When the seeing steadied up and I wanted to push magnification past 200x, I rotated it darker to keep the image comfortable. For Venus at high power, dialing it down to about 10 percent transmission gave me a clean, steady view of the planet’s phase without the harsh glare.
The downsides are physical. The filter is thicker than a standard ND filter, so it can bottom out on the prism in some star diagonals. There are also no position markings, so you have to find your preferred setting by feel. Both are minor complaints compared to the flexibility you get.
For whom its good
Observers who switch between different lunar phases or who want one filter for both the moon and bright planets will love the adjustability. Outreach astronomers will appreciate being able to tune brightness for first-time viewers who have different comfort levels.
Owners of large Dobsonians and SCTs who need serious glare reduction for full moon sessions will get the most out of the 1 percent minimum transmission. Astrophotographers shooting moon close-ups can dial in exact exposures.
For whom its bad
Owners of small refractors may not need the full range and can save money with a fixed ND filter. Anyone who uses a star diagonal with limited back-focus will struggle to fit this thick filter into the optical path.
Visual observers who only ever look at a full moon will not benefit from the variable range and would do better with a stronger fixed filter. The lack of tactile click stops is a real annoyance for some users.
6. SVBONY 2 inch Moon Filter – Best 2 Inch Moon and Planet Filter
SVBONY 2″ Moon Filter for Telescope, Enhance Lunar Planets Surface Clarity
2 inch filter size
Anodized aluminum frame
Stackable threads
Pros
- Fits 2 inch eyepieces used in large Dobsonians
- Anodized metal construction
- Double threaded for stacking
- Comes with plastic storage box
Cons
- No spec sheet included
- May be too dark for some preferences
- 2 inch filters cost more than 1.25 inch versions
If you observe with a large Dobsonian or a 2 inch eyepiece, you already know that 1.25 inch filters can vignette your field of view. The SVBONY 2 inch Moon Filter solves that by matching the larger optical format. I installed it on my 12 inch Dobsonian with a 2 inch wide-field eyepiece, and the moon image stayed bright and even all the way to the edge of the field.
The anodized aluminum housing feels solid in the hand. The optical glass is well-centered and the threads are smooth. Stacking a 2 inch color filter on top is possible because the cell is threaded on both sides, though I rarely felt the need. The darkening is enough to take the edge off a gibbous moon without making Jupiter too dim at high power.
SVBONY did not include a written spec sheet, which makes it harder to confirm the exact transmission percentage. Based on my tests it sits somewhere between 18 and 25 percent transmission. For some users that is too dark on a half moon, while others prefer the extra reduction. The included plastic storage box is a nice touch for protecting the larger filter.
For whom its good
Owners of large Dobsonians from 10 inches and up who use 2 inch eyepieces will see the most benefit. The filter matches the larger optical format without vignetting the field of view.
Observers who run big refractors with 2 inch focusers and want a single moon filter that does not dim the image too much will appreciate the moderate density. The stackable threads also let you add a color filter on top.
For whom its bad
Owners of small telescopes that only accept 1.25 inch eyepieces should not buy this filter, as it will not physically fit. The size also means it costs more than 1.25 inch equivalents.
Anyone who already owns a variable polarizer will not need a fixed-density moon filter. Astrophotographers who want exact transmission values will be disappointed by the missing spec sheet.
7. SVBONY UHC Light Pollution Filter – Best UHC Filter for Urban Planets
SVBONY Telescope Filter, 1.25″ UHC Filter Improve Contrast for Telescope
UHC contrast filter
Multi-coated glass
1.25 inch threads
Pros
- Dramatically reduces light pollution
- Multi-coated optical glass
- Aluminum frame construction
- Comparable performance to filters four times the price
- Works for visual and astrophotography
Cons
- Not Prime eligible
- Limited effectiveness under bright LED streetlights
- Primarily designed for nebulae not planets
UHC filters are usually marketed for nebula observation, but I have found the SVBONY UHC surprisingly useful for planets under light-polluted skies. The filter tightens the contrast on Jupiter and Saturn by suppressing the broad-band skyglow that washes out subtle cloud details from urban and suburban backyards. From my Bortle 7 driveway, the UHC brought out a faint festoon pattern on Jupiter I had never seen without it.
The build quality is genuinely impressive for the price. The multi-coated optical glass is well-figured, and the aluminum frame sits flat against any 1.25 inch eyepiece. Six hundred plus reviews averaging 4.6 stars confirm my own impressions that this filter punches well above its weight class.
Be aware that a UHC filter is not a substitute for a color filter on planets. It works best stacked on top of a color filter, or used alone on very bright planets where the contrast gain is most visible. The biggest practical issue is that this filter is often not Prime eligible, so plan for longer shipping if you order it.
For whom its good
Urban and suburban observers under Bortle 6 to 8 skies will see the biggest improvement on planets and nebulae. The filter is also a great entry point for beginners who want one accessory that does multiple jobs.
Astrophotographers who shoot planetary video and want to maximize contrast in their stacked frames will appreciate the clean optical quality. Budget astronomers who cannot afford premium UHC filters will find this one performs nearly identically.
For whom its bad
Observers under dark rural skies will see less benefit because skyglow is not the limiting factor. Anyone who already owns a quality UHC filter from a premium brand like Baader or Astronomik does not need this.
Visual observers who only ever look at the moon and are not bothered by skyglow will get more use out of a simple neutral density filter. Buyers who need fast Prime shipping should look at other options.
8. Celestron Neutral Density 13 Percent Filter – Best Pure Color Neutral Density Filter
Celestron Neutral Density 1.25″ Telescope Eyepiece Filter
13 percent transmission
Neutral color rendition
Stackable threads
Pros
- Maintains true color without tint
- Reduces glare on moon
- Venus
- and double stars
- Scratch resistant coating
- Threads on both sides for stacking
Cons
- Not Prime eligible
- Full moon may still appear bright
- Lacks a hard storage case
The 13 percent neutral density filter from Celestron is the gold standard for observers who care about color fidelity. Unlike moon filters that add a greenish or bluish cast, this filter simply reduces the light intensity while preserving the natural color of what you are looking at. When I compared it side-by-side with cheaper ND filters, the difference in white-light lunar views was obvious.
On Venus at high magnification, the filter dimmed the planet enough that I could comfortably hold the view at 300x in my 8 inch scope. The phase was clean and white, not the slightly green or yellow cast you get from budget filters. Stacking it with a color filter for planetary work is also easy because the cell is threaded on both sides.
The 13 percent transmission is a sweet spot for most observers. A full moon is still a bit bright, but most other targets become comfortable to view. Like a few other Celestron filters in this price range, it is often not Prime eligible, so shipping can take longer than expected.
For whom its good
Lunar and planetary photographers who need accurate color rendering for stacking will benefit from the true neutral density. Visual observers who find colored moon filters distracting will appreciate the natural look.
Double star observers who want to split tight pairs without the glare washing out the fainter component will find the 13 percent density works well. The filter is also great for daytime terrestrial viewing through a refractor.
For whom its bad
Owners of large Dobsonians will want a darker filter or a variable polarizer for full moon sessions. Anyone on a strict budget can find cheaper alternatives that work, just with some color tint.
Observers who already own a variable polarizer will not need a fixed ND filter. Buyers who require Prime shipping should look at other options in this list.
9. NEEWER 10 Pack Filter Set – Best Premium Complete Filter Collection
NEEWER 1.25′ Telescope Eyepiece Filter Set (10 Pack), Including Planetary, Variable, UHC, Lunar & Starglow Filters for Moon Observation
10 filters in one set
Variable polarizers
UHC and lunar included
Pros
- 10 filters covering every common need
- Variable polarizers with 40 to 1 percent range
- Includes 5 planetary color filters
- Comes with protective carrying case
- High quality aluminum and glass construction
Cons
- Variable polarizing filter comes in two pieces
- No printed guide for beginners
- Foam case can make filters tight to remove
The NEEWER 10 Pack is the most complete filter collection you can buy without going to a custom astronomy retailer. Inside the carrying case you get 5 planetary color filters, 2 variable polarizing filters, 1 UHC filter, 1 lunar filter, and 1 starglow filter. That covers every observing situation a beginner or intermediate astronomer is likely to encounter.
Stacking the two variable polarizing filters creates a continuously adjustable neutral density filter from ND2 to ND2000, which means you can dim anything from a half moon to a full moon without changing filters. The UHC filter is the same multi-coated design SVBONY uses in their standalone filter, and it does a respectable job on planets under light-polluted skies.
The variable polarizer split into two pieces is a minor inconvenience because you have to thread both into your eyepiece, but the flexibility is worth it. The lack of a printed beginner’s guide is the biggest miss, because beginners will need to look up which Wratten number to use on which planet. NEEWER does include the filters in a hard protective case, which makes transport easy.
For whom its good
Beginners who want to build a complete filter collection in one purchase will save money compared to buying filters individually. The included variable polarizers cover brightness adjustment across every lunar phase.
Astronomers who observe both planets and deep sky will appreciate the included UHC and starglow filters. Gift buyers looking for a single comprehensive kit will find this set hard to beat.
For whom its bad
Astronomers who already own several quality filters will not need the overlap. Visual purists who prefer premium Schott glass may find the NEEWER optics slightly behind Baader or Astronomik equivalents.
Buyers on a tight budget who only need a moon filter will be paying for many filters they will not use. The foam insert also makes the filters a bit tricky to remove quickly during cold observing sessions.
10. Celestron Moon Filter Set with Moon Map – Best Lunar Filter Kit for Beginners
Celestron Moon Filter Set – Neutral Density & Sky Glow Filters – Moon Map
3 ND filters plus moon map
Aluminum cells
Protective case
Pros
- Three ND filters at 13
- 25
- and 50 percent transmission
- Includes moon map and feature legend
- Aluminum filter cells threaded for stacking
- Sharp optical quality
- 2 year warranty
Cons
- Moon map is more novel than comprehensive
- Some users report tight thread fit
- Lacks color filters for planets
If you spend more time looking at the moon than anything else, this Celestron kit is purpose-built for you. It comes with three neutral density filters at different densities, plus a moon and skyglow filter, all housed in a protective case with a printed moon map. The 13 percent, 25 percent, and 50 percent transmission options let you match the filter to the moon phase, atmospheric transparency, and your telescope’s aperture.
On a half moon, the 25 percent filter gave me the most comfortable view in my 8 inch Dobsonian. On a full moon, the 13 percent filter was dark enough to cut the glare without making the craters look dim. The included sky glow filter is a small bonus that helps when observing from suburban backyards, though it is not as strong as a true UHC filter.
The moon map included in the case is a nice touch for beginners, but it is more of a quick reference than a serious lunar atlas. Some users also report that the filter threads fit very tightly, which can make swapping filters in the dark a bit slow. For a dedicated lunar observer, though, this kit covers every situation.
For whom its good
Beginners who want to learn lunar observation will appreciate the included moon map and the three density options. The kit is also a great gift for new telescope owners.
Observers who live in areas with changing atmospheric conditions will benefit from being able to pick the right ND filter for the night. Anyone running lunar outreach events will find the three-density approach very practical.
For whom its bad
Planetary observers who want color filters for Jupiter, Saturn, and Mars will not find them in this kit. Visual astronomers who only ever observe the full moon will be paying for two filters they will rarely use.
Owners of small refractors under 80mm may find even the 13 percent filter too dark. Anyone who already owns an adjustable polarizer will be duplicating functionality.
11. Astromania 7 Piece Color Filter Set – Best Schott Glass Budget Filter Set
Astromania Telescope Eyepiece Filte Set 1.25 Inch Seven Pcs Color Filters
6 color filters plus ND96
High grade Schott glass
Anti-reflection coated
Pros
- High grade Schott optical glass
- Anti-reflection coating for better transmission
- Stackable filter threads
- Individually packaged in marked boxes
- Solid metal cells minimize diffraction
Cons
- Individual plastic containers feel flimsy
- No sturdy zip-up case included
- Smaller review base than competitors
The Astromania set stands out in this list because it uses Schott optical glass, the same German-made material used in premium filters that cost three times as much. Combined with anti-reflection coatings, the result is noticeably brighter planetary views than the budget competition. I tested the #25 red filter on Mars at 180x and the surface features appeared with more contrast and brightness than I expected from a kit at this price.
The set includes six color filters covering the standard Wratten numbers: #25 red, #21 orange, #12 yellow, #58A dark green, #80A blue, and #56 light green. The included ND96 moon filter is a useful bonus for lunar observation. Each filter comes in its own plastic storage box with a label, which is a thoughtful detail for keeping your filter collection organized.
The individual plastic cases are a little flimsy, and there is no master carrying case for the whole set. Astromania has a smaller review base than the bigger brands, which can make long-term reliability harder to gauge. Based on the Schott glass construction and the coating quality, though, this set punches well above its modest price.
For whom its good
Budget-conscious astronomers who refuse to compromise on optical quality will appreciate the Schott glass and coatings. Beginners who want to learn how different Wratten numbers perform on different planets will enjoy the complete color filter selection.
Owners of medium to large telescopes from 6 to 12 inches will see real contrast improvements thanks to the better light transmission. Visual observers who follow planet-specific filter charts will appreciate that every Wratten number is clearly labeled.
For whom its bad
Buyers who want a single carrying case for transport will be disappointed by the individual plastic boxes. Astrophotographers who need to image at high magnifications may want a more precisely figured set from a premium brand.
Anyone who only needs a moon filter will be paying for six color filters they will rarely use. Observers who want a UHC or light pollution filter will need to buy that separately.
12. Pocnsen 6 Color Filter Set – Best Affordable Multi-Filter Starter Kit
1.25″ Telescope Eyepiece Filter Set Telescope Accessories Filters Kit with Storage Box for Enhancing Definition and Resolution in Lunar Planetary Observation (6 Color Filters)
6 color filters plus starglow
Multi-coated optics
Aluminum storage case
Pros
- Includes 6 color filters plus a lunar starglow filter
- Multi-coated optics
- Comes with aluminum storage case
- Filters stack for creative combinations
- Works well for Jupiter
- Mars
- and the moon
Cons
- No individual cases for each filter
- Filters are very small
- Handling can leave fingerprints on the glass
The Pocnsen 6 Color Filter Set is the most affordable way to get a complete set of planetary color filters plus a bonus lunar starglow filter in a single purchase. At under thirty dollars, it competes directly with the more established brand names, and the user reviews suggest the quality holds up well. I tested the red and blue filters on Jupiter and saw the same kind of contrast improvement I would expect from a premium filter at twice the price.
The aluminum storage case with custom foam padding is a real highlight at this price point. Most budget filter sets come in cardboard boxes or loose plastic bags. Pocnsen gives you a hard case with foam cutouts that hold each filter securely. The multi-coated optics delivered clean, sharp images during my side-by-side tests with a more expensive reference filter.
The filters themselves are quite small, which is normal for 1.25 inch filters but worth knowing if you have large hands. There are no individual plastic cases, so you have to be careful when handling the filters to avoid fingerprints. The overall value is excellent, and this is a great option for anyone who wants a complete color filter set without spending a lot.
For whom its good
Beginners who want a complete starter filter kit at the lowest reasonable price will be well served here. Owners of small to medium telescopes from 60mm to 8 inches will see noticeable contrast improvements.
Gift buyers looking for a present that includes everything in one box will appreciate the included storage case. Casual observers who occasionally view the moon and planets will get good value for the money.
For whom its bad
Astrophotographers who need premium-grade coatings for high-resolution planetary imaging will want a more expensive filter. The lack of Wratten numbering on the filters themselves makes identification tricky in the dark.
Owners of large Dobsonians above 10 inches may find the included starglow filter too mild. Observers with very large hands will find the small filter cells harder to handle.
How to Choose the Best Telescope Filters for Planets?
Choosing the best telescope filters for planets comes down to three things: your telescope’s aperture, which planets you observe most, and your budget. The right filter for a 4 inch refractor under a dark sky is not the same as the right filter for a 12 inch Dobsonian under suburban light pollution. Here is what our team has learned after hundreds of hours testing filters across different scopes and conditions.
Wratten Filter Number Reference
The Wratten numbering system is the universal language of planetary color filters. Originally developed by Kodak for photography, these numbers identify specific filter colors by their light transmission characteristics. Here is a quick reference for the most common filters and which planets they help most.
For Jupiter, the best color filters are #21 orange, #80A blue, and #8 light yellow. The orange filter darkens the bright equatorial zones so the cloud belts stand out. The blue filter reveals festoons and the Great Red Spot. The light yellow filter is a good all-around choice for general Jupiter observation.
For Saturn, the recommended filters are #8 light yellow, #11 yellow-green, and #15 deep yellow. These filters darken the sky background and bring out the ring divisions. The Cassini Division becomes more visible, especially in steady seeing conditions.
For Mars, the top filters are #25 red, #21 orange, and #30 magenta. The red filter is the most powerful for revealing surface markings during good oppositions. The orange filter is a good compromise. The magenta filter is the only color that can darken the reddish surface while keeping polar caps and clouds visible.
For Venus, the recommended filters are #47 violet, #58A dark green, and a neutral density filter. Venus is so bright that neutral density filters are often more useful than color filters. The color filters can help reveal subtle cloud structure in the upper atmosphere.
Filter Selection by Telescope Aperture
Filter selection depends heavily on your telescope’s aperture. Smaller telescopes under 4 inches have limited light grasp, so dark or heavy color filters can make the view too dim. Stick with light colored filters like #8, #11, #12, and #80A in smaller scopes. Save the darker filters like #25, #29, and #47 for scopes 6 inches and larger.
Medium telescopes from 4 to 8 inches can use almost any color filter effectively. The aperture gathers enough light that the dimming from a color filter is offset by the contrast improvement. This is the sweet spot for color filter use, and most of the filters in this roundup were designed with 4 to 8 inch scopes in mind.
Large telescopes above 8 inches can take full advantage of the darkest color filters, and the contrast gains become more visible at higher magnifications. Our team saw the most dramatic improvements on Jupiter and Mars with a 12 inch Dobsonian and a #25 red filter. Larger scopes also benefit from 2 inch filters to avoid vignetting with wide-field eyepieces.
Color vs Neutral Density vs UHC
Color filters add contrast by selectively blocking certain wavelengths. They are best for revealing subtle surface features and cloud details on planets. Neutral density filters simply reduce the overall brightness without changing the color. They are best for the moon, Venus, and double stars where glare is the main problem. UHC filters target specific emission lines from artificial light and gas clouds. They are best for deep sky but can also help planets under light-polluted skies.
For most beginners, we recommend starting with a neutral density moon filter and one or two color filters that match your favorite planet. Add a UHC filter only if you observe regularly from a light-polluted location. Stacking a color filter with an ND filter gives you the contrast of color without the brightness loss of either filter alone.
Budget vs Premium Filter Sets
Budget filter sets under fifty dollars work well for most beginners and casual observers. The optical quality has improved significantly in the last five years, and the difference between a budget filter and a premium one is often subtle to most eyes. Premium filters from brands like Baader, Astronomik, and TeleVue offer better coatings, more precise color rendition, and harder optical glass, but they also cost three to five times more.
Our team recommends the budget tier for anyone who is just starting to experiment with color filters. Once you know which filter numbers you actually use, you can decide whether the premium upgrade is worth the cost. For most amateur astronomers, the budget tier is all you ever need.
Frequently Asked Questions
What are the best filters for a telescope?
The best filters for a telescope depend on what you observe most. For planets, color filters like the #21 orange and #80A blue Wratten numbers work best. For the moon, a neutral density filter at 13 to 25 percent transmission cuts glare. For deep sky in light-polluted areas, a UHC filter is the most useful upgrade.
What filter is best for viewing Jupiter?
The best filter for viewing Jupiter depends on what you want to see. The #21 orange filter is the most popular for general cloud belt enhancement. The #80A blue filter reveals the Great Red Spot and festoons. The #8 light yellow filter is a good all-around choice. Owners of 6 inch and larger scopes get the most out of color filters on Jupiter.
What filter is best for viewing the moon?
A neutral density filter at 13 to 25 percent transmission is the most common choice for moon viewing. Variable polarizer filters that adjust from 1 to 40 percent transmission offer the most flexibility across different lunar phases. The Celestron 1.25 inch Moon Filter at 4.5 stars and over 2,400 reviews is the most popular single filter for the moon.
What type of telescope lens is best for viewing planets?
For planetary viewing, a long focal length refractor or a large aperture reflector gives the best results. Aperture matters more than lens type, and at least 4 inches of aperture is recommended. Color filters work on any telescope that accepts 1.25 inch or 2 inch eyepieces, regardless of the optical design.
Do color filters really help planetary viewing?
Yes, color filters genuinely improve planetary viewing by enhancing contrast between features like cloud bands, polar caps, and surface markings. The improvement is most visible on telescopes 6 inches and larger, but even small refractors benefit from light colored filters on Jupiter and Saturn. Filters are one of the most affordable upgrades for serious planetary observation.
Final Verdict on Planetary Filters
After testing twelve of the most popular planetary filter products on the market, our top recommendation is the Celestron 1.25 inch Moon Filter for beginners who want one affordable filter that immediately improves their moon and bright planet views. For observers who want to try color filters across multiple planets, the Neewer 5 Color Filter Set delivers the best balance of price and coverage. Serious astronomers who want a complete filter collection should consider the NEEWER 10 Pack Filter Set, which includes variable polarizers, UHC, and color filters in one protective case.
Whatever filter you choose, the best telescope filters for planets are the ones you will actually use. Start with a moon filter and one or two color filters that match your favorite planet. You can always expand your collection as you discover which features you want to enhance. Clear skies in 2026.