10 Best Red Filter Astronomical In The Us - Black Friday 2024
Best Choice1
Generic2 Inches Filter 6 Colors Red Orange Yellow Green Blue Purple Astronomical Telescope Accessory(NO.23A Red)
Main highlights- Size: 2inch(50.8mm). Applicable excuse: 2 inches.
9.9Exceptional
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Value for Money2
AstromaniaAstromania 2" Color/Planetary Filter for Telescope - #23A Light Red
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
9.6Exceptional
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3
Tiffen15% OffTiffen 52mm 25 Filter (Red)
Main highlights- Primarily for black-and-white images
- Medium-red filter
- Darkens blue sky, creating dramatic contrast with clouds
- Creates greater contrast between foliage and flowers
- 52 millimeters in diameter
9.5Excellent
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4
GOODSMANNGOODSMANN Red Color Lenses Glass Filter with Metal Clip Transparent Color Correction Filter 3 Assorted Colors for Spotlight Flashlight Floodlight MR16 Bulbs LED and Halogen (Red)
Main highlights- USING TIPS: Carefully place lens over the MR16 bulb or other led, halogen bulbs and secure with clip. Allow light to cool completely before attaching colored glass lens.
- USAGE SCENARIOS: Very suitable for outdoor spotlights, flashes, floodlights. Can be used for special purposes such as photography, hunting, climbing, boating and rescue.
- METAL CLIP: The metal clip can fix the glass filter firmly, which is strong and durable, and plays a certain role of edge protection in the process of daily use.
- GLASS MATERIAL: The filter is made of glass, which is resistant to the high temperature of spotlights than plastic with light weight. Compatible with MR16 bulbs, also suitable for Halogen and LED.
- 3 ASSORTED COLORS: Red, green and blue 3 filters to meet the daily needs of spotlights. And the colored lens will reduce bulb brightness.
9.3Excellent
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5
XCCYG1.25 inch Astronomical Accessories Eyepiece Filter #23A Red Filter Glass Lens for Astronomical Telescope
Main highlights- With a symmetrical shape and high optical throughput, this filter minimizes loss of stars in the field of view.
- Reject light pollution and block longer wavelengths for a clearer view of the night sky.
- Designed to thread directly into the 1.25-inch barrel of your telescope eyepiece for easy installation.
- Custom-designed for a variety of telescopes, enhances the view of nebulae like never before.
- Anodized housing ensures durability and longevity.
9.2Excellent
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6
AstromaniaAstromania 1.25" Color/Planetary Filter - #25 Red
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
9.0Excellent
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7
KJAHHAstronomical Telescope Accessories NO.23A Optical Light Filter Nighthawk Series Astronomical Telescope 1.25 Inches Red Nebula Filter
Main highlights- Thread size: M28*0.6mm
- Lens material: optical glass
- Lens color: red
- Interface size: 1.25 inches (31.7mm)
- Frame material: aluminum alloy
8.9Very Good
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8
SVBONYSVBONY Telescope Filter 1.25 inches CLS Filter City Light Pollution Reduction Filter Broadband Filter Suitable for Deep Sky Visual Astronomical Photography
Main highlights- Suitable for color CCD cameras and unmodified DSLR Urban optical filter can effectively suppress urban harmful light and improve the contrast of shooting target
- Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass-band and Optical density of off band
- Evaporation with Ion assisted deposition coating technology for durability and resistance to scratching;as well as stability on CWL (central wavelength) no deviation affected by temperature change
- 90% transmission of main nebula emission lines;such as Ha 656nm;OIII 496nm;500nm;SII672nm and H-beta 486nm
- 0.1% transmission of off-band;specifically the major emission lines of artificial light pollution;such as Na 589nm;Hg 435nm and 578nm
8.8Very Good
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9
CelticbirdCelticbird 1.25 Inch Light Pollution Filter for Telescope Perfect for Deep Sky Visual Astronomical Photography Metal Frame Optical Glass
Main highlights- Packaged with a plastic box to protect your astronomy filter from dust and moisture, also it is easy to carry and storage
- Help to improve the visibility of deep sky objects by blocking out the mercury vapor, sodium vapor, and other such emission lines from artificial or natural sources which contribute to light pollution
- Help to Improve contrast on reddish planetary detail. Works well in telescopes of all apertures
- Fits all standard sized 1.25" eyepieces and accessories and can be threaded on both sides for stacking with other filters if necessary
- Comes with sturdy plastic case-proect the eyepiece from dust and moisture
8.6Very Good
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10
GenericMicroscope Observation 1.25 Inch Red Filter NO.23A Light Filter Scientific Exploration Astronomical Telescope Accessories
Main highlights- We promise to provide every customer with high-quality after-sales service. If you have any questions or need help, we will serve you wholeheartedly 24 hours a day.
- Thread specification: M28.6*0.6mm. Interface size: 1.25 inches (about 31.7mm).
- The red nebula filter is suitable for observing Mercury and Venus. With a large-diameter astronomical telescope, the sideband of Jupiter can be observed more clearly through the red film, and more details can be seen on the surface of Saturn.
- Our microscope accessories are made of high-quality materials to ensure durability and stability. Meet your various experimental needs.
8.5Good
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