Blue Filter Astronomies of 2025
Best Choice1
HUGERSTARHUGERSTAR Telescope, Telescope for Adults High Powered, 90mm Aperture 800mm Professional Refractor Telescopes for Adults Astronomy Beginners with AZ Mount Stainless Tripod, Carry Bag and Moon Filter
Main highlights- Superior Optics: The 90mm aperture and 800mm focal length (f/8.89) telescope for adults provides clear, bright views. Fully multi-coated lenses with high-light transmission create stunning images, perfect for exploring stars, the moon, and beyond
- Satisfaction: Very easy to set up and operate, with no tools needed for assembly. Clear instructions make it simple to set up and focus. Perfect for exploring the stars, moon, and landscapes. 24/7 customer support is available to assist you anytime
- Phone Adapter and Moon Filter: Come with the phone adapter makes it quick and easy to take photos of the objects you are observing with your smartphone, you can share images and videos. The moon filter helps you to see the moon more clearly
- Optimum Magnification (32X-240X): The refractor telescope comes with two replaceable eyepieces (10mm and 25mm) and a 3X Barlow lens. The 3X Barlow lens triples the magnification of each eyepiece. With 5x24 finder scope makes locating objects easy
- Adjustable Tripod: The telescope for adults high powered comes with an adjustable stainless steel tripod for many different viewing positions and a tray for easy eyepiece storage. With a carrying bag, making it convenient to traveling and storage
9.8Exceptional
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Value for Money2
OCTO LIGHTSMagnetic Fluorescent Light Covers for Ceiling Lights - Astronomy & Solid Blue Filters for 2x4 Fluorescent & LED Fixture - Must Haves for Teacher Supplies - Classroom, Home, Office Decor
Main highlights- SOFTEN GLARE, SHARPEN FOCUS - Transform harsh lights into a gentle embrace, enhancing focus and comfort with premium fabric.
- SAFETY FIRST - Peace of mind included with our NFPA 701 Fire Safety Certified Fabric, ensuring your space stays safe and sound.
- MAGNETIC MAGIC - Effortlessly snap to serenity! Our robust magnets offer a swift, secure transformation of any space. ADD TO CART.
- BANISH HEADACHES - Say goodbye to fluorescent-induced headaches, welcoming a soothing light experience that nurtures well-being.
- AMBIENCE UPGRADE - Elevate your environment in a snap with chic designs & colors, turning mundane to extraordinary.
9.6Exceptional
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3
AstromaniaAstromania 1.25" Color/Planetary Filter for Telescope - #82A Light Blue
Main highlights- Perfectly neutral color will not alter the natural color of the Moon
- Mounted in a nicely anodized housing
- Metal filter cell threads directly into the 1.25 inch barrel of your telescope eyepiece
- Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming
- Enhances the contrast of the moon and planets in photographic images
9.5Excellent
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4
K&F ConceptK&F Concept 77mm Blue Streak Lens Filter Rotating Circular Anamorphic Lens-Optical Glass Style Blue Streak Special Effect Filter 2mm Spaced Streaks for Camera Lens (K-Series)
Main highlights- 【Superior Optical AGC Glass】Double-sided grinding and polishing technology, ensuring exceptional clarity and maintaining the integrity of light transmission for sharp and clear image quality, no color cast.
- 【Precision-Crafted Frame Design】The frame features a CNC-trimmed pattern design, ensuring a secure grip and easy installation and removal of the filter and other accessories. The filter frame is made of aerospace-grade aluminum with a thickness of only 5.3mm, ultra slim design prevents vignetting, ensuring optimal performance across different focal lengths.
- 【Note】This filter is compatible with all 77mm lenses. Please verify your camera's lens thread size. The number is beside a "ø" (diameter) symbol.
- 【Captivating Blue Linear Flare】Installing a K&F Concept streak blue filter in front of your lens could create the same flare as the anamorphic lens. Whether it’s a photo or video, this filter adds a linear effect to your images, producing stunning visual effects and enhancing artistic appeal.
- 【Advanced Anti-Reflection Coating】Both sides of the glass with nanometer coatings, a total of 18-layer coating, effectively reduces surface reflections and ghosting issues, ensuring high-quality and artifact-free images.
9.4Excellent
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5
Desmond-ICEDesmond-ICE 1.25" Jupiter 80A Blue Filter for Telescope
Main highlights- Reveals features of Jupiter.
- Optical Glass Filter
- Includes Plastic Storage Case
- Fits any telescope with a 1.25" eyepiece, including Celestron, Orion, Meade etc
- Enhances the main equatorial cloud belts
9.3Excellent
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6
BLUEAIRBLUEAIR Blue Pure 211+ Genuine Replacement Filter, Particle and Activated Carbon, Fits Blue Pure 211+ Air Purifier (Non-Auto)
9.9 Easy installation9.7 Simple to use9.5 lasts a long timeWhy we love it
The filter removes very small airborne particles, down to 0.1 micron.
The filter lasts on average 6 months to a year.
The filter traps household odors, smoke, chemicals, and volatile organic compounds VOC .
9.1Excellent
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7
NEEWERNeewer 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
Main highlights- STANDARD 1.25" THREAD SIZE: 1.25 inches/ 3.17 centimeters thread size, fits most telescopes; Color filters have the grooves needed to be softly screwed into the eyepieces lens easily
- PLEASE NOTE: The telescope is not included. Kit includes: (1)Lunar & Starglow Filter; (1)CPL Filter; (5)Color Filters: Red, Orange, Yellow, Green, Blue; Designed to reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue
- LUNAR & STARGLOW FILTER: Cuts down glare and brings out much more surface detail and gives you better contrast; It is a multi band pass filter transmitting a high percentage of light in the visual spectrum; Effectively filters out selective wavelengths of low pressure sodium and other man-made sources typically used in street lighting
- CPL FILTER: By utilizing a CPL filter, which filters out scattered light, you are able to cut through those reflections and see the detail behind it; Enhances the contrast of the moon and planets in photographic images
- 5 COLOR FILTERS: Includes Red, Orange, Yellow, Green, Blue; Red: Helps make Mercury and Venus stand out from the blue sky when viewed during the day; Orange: Helps increase contrast between light and dark areas, penetrates clouds; Yellow: Helps greatly in viewing Mars by bringing out the polar ice caps; Green: Enhances frost patches, surface fogs, and polar projections on Mars; Blue: Helps split the binary star Antares when at maximum separation
9.0Excellent
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8
AstromaniaAstromania 2" Color/Planetary Filter for Telescope - #80A Blue
Main highlights- Perfectly neutral color will not alter the natural color of the Moon
- Mounted in a nicely anodized housing
- Metal filter cell threads directly into the 2 inch barrel of your telescope eyepiece
- Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming
- Enhances the contrast of the moon and planets in photographic images
8.9Very Good
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9
Celestron36% OffCelestron 94119-10 Lunar and Planetary Eyepiece Filter Set, 4 Pieces - Includes Deep Yellow (12), Orange (21), Blue (80A) and Neutral Density Polarising Filters for 1.25-inch Eyepieces
Main highlights- The aluminum cell is threaded on top and bottom for stacking.
- See features on the Moon & planets in a whole new light.
- Includes wratten #12 deep yellow, #21 orange, #80A light Blue, and a #including-96-03 neutral Density filter with 50% transmission.
- A nice beginner’s set of 1.25” planetary filters for any telescope.
8.8Very Good
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10
RONGJURONGJU 211+ Replacement Filter Compatible with Blueair Blue Pure 211+, Foldable Particle Activated Carbon Filter, 2 Pack 211+ Filter
9.9 Simple to use9.1 worth the money9.1 Easy installationWhy we love it
Long lasting
Affordable
Easy installation
8.7Very Good
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