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![]() B01EL9G626 Price: $25.99 Score: 1000.000 Category: Electronics Rating: 4.7 Votes: 52 Find similar productsAstromania 1.25 IR/UV Blocking Filter - Keeps Your Planetary Images Sharp. This Astromania filter only allows the visible light between 400 and 780nm through. The UV and IR regions of the spectrum are completely blocked. | ![]() B07V7B98DT Price: $69.99 Score: 7.576 Category: Electronics Rating: 4 Votes: 12 Find similar productsAstromania 1.25 H-Alpha Night Sky Filter. The Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 650nm, transmittance is 80% or above. The filter is used as an extreme anti light-pollution filter, and for contrast-enhancement of emission nebulae and other astronomical objects bright in the infrared. The 1.25 Night Sky Hydrogen-Alpha Filter, threads into the nose-piece of industry-standard 1.25 Digital Imagers. The Astromania H-Alpha cut-off filter enhances the contrast between object and sky, allowing you to take good quality images even under urban skies. |
![]() B0018IOZDG Price: $79 Score: 7.463 Category: Electronics Rating: 5 Votes: 3 Find similar productsBaader Planetarium Yellow 495nm Long-Pass Filter, 2 Eyepiece. The Baader Planetarium FCFY-2 Yellow Long-Pass Filter has a bandpass at 495 nm and is designed for 2 eyepieces. It has 98% transmission efficiency and is superb for bright planet and cometary details. It can be placed anywhere in the optical path without introducing astigmatism or other defects. Baader Planetarium astronomy filters by far supersede the mediocre quality of common flame polished color filters. A fine optical polish and 2 mm thick glass allows these filters to be inserted anywhere into the optical path without introducing astigmatism or other defects. For instance, they can be used in front of a binocular viewer without degrading the image in any way.Substrates are free of striae and plane-parallel polished to within 30 seconds of arc. This eliminates any double images or ghosting due to wedge errors in the glass. The filter cell features the largest clear aperture of any telescope filter on the market for complete freedom from vignetting at any focal length.The front crown incorporates milled notches, which makes handling and threading the filter an easy operation in the dark. All surfaces are treated with a 7-layer Multi-Coating, featuring a mere 0.25% residual reflection. It is the most elaborate coating ever applied onto amateur color filters, resulting in a filter free of any false reflections under any incident angle of light.Light is the hottest commodity for all planetary observation. Especially during high magnification wo. | ![]() B0047DBCHG Availability: Currently unavailable Score: 7.246 Category: Electronics Rating: 4 Votes: 2 Find similar productsZhumell 2 inch High Performance Ultra High Contrast UHC Filter. These narrowband filters are for viewing nebulae in the deep sky under a dark sky or a sky with some light pollution. They filter out specific wavelengths of light to create a high contrast to make nebulae clearer and more visible where normally we may not be able to see it with our eyes alone. |
![]() B0BZCGF172 Price: $39.99 Score: 6.536 Category: Electronics Rating: 4.1 Votes: 47 Find similar productsSolomark 2 Inch UHC Light Pollution Reduction Filter for Telescope. Solomark 2 INCH UHC Light Pollution Reduction Filter for Telescope UHC Filter was designed to improve the image contrast of observed objects. Due to its ability to produce exceptionally sharp and clear images, this filter is considered one of the most popular astronomy accessories. It can be used not only for celestial observations but also for astrophotography. | ![]() B07D8J69M7 Availability: Currently unavailable Score: 6.329 Category: Electronics Rating: 4.1 Votes: 16 Find similar productsZhumell 1.25 High Performance O-LLL Telescope Filter. This particular filter allows light transmission in the doubly ionized oxygen wavelengths. This is particularly good for viewing double-star systems where a lot of emissions are in the doubly ionized oxygen range. Oxygen III (O-III) are great for viewing diffuse and planetary nebulae. The views of the Veil, Ring, Dumbbell, Crescent and Orion nebulae are dramatically improved. |
![]() B07L6JCQPH Price: $22.99 Score: 5.988 Category: Electronics Rating: 5 Votes: 3 Find similar productsRunshuangyu 43MM Optical Glass Circular Infrared X-Ray Adjustable IR Pass Filter, Variable from 530nm to 750nm 590nm 680nm 720nm for DSLR Camera Photography. Product description The creative adjustable IR filter is a compact all-in-one variable wavelengths filter that adjusts the number of wavelengths with just the twist of your wrist. The index marks on the filter let you know exactly the amount of wavelengths at a glance. Giving you clear and precise shots at whichever wavelengths you are using. It offers you the freedom to create different wavelengths freely. You don't have to carry a bunch of filters for shooting. Just one filter gives you from the range 530nm to 750nm freely 590nm, 600nm, and 630nm for the Infrared change machine. 680nm for indoor and weak Shadows use. 750nm for indoor and weak light use. 760nm for cloudy outdoor at nightfall and brightness indoor. Specification: Lens Material: Optical Glass Ring Material: Metal Filter Coated: N/A To Fit: Camera, Camcorder Shape: Circular Lens Filter Size: 43mm Package including: 1 x 43mm Adjustable Optical Infrared Filter. | ![]() B0044BD98Q Availability: Currently unavailable Score: 5.952 Category: Electronics Rating: 4.5 Votes: 5 Find similar productsZykkor 37mm 850nm IR85 Infrared IR Filter - Silver. nfrared is a spectrum of light beyond that which we normally see. Infrared photography was only used in film cameras in the past, but despite having an IR blocking filter installed between the lens and the Digital Camera's Sensor, most digital cameras can still react to infrared energy, though at levels far lower than visible light. To take infrared pictures - i.e., photos primarily made up of near infrared energy - you need to filter out the visible light and only allow the infrared spectrum through to the lens. The easiest way to do this is to use an infrared filter. |
![]() B01LXA6P8L Price: $79 Score: 5.917 Category: Electronics Rating: 3.7 Votes: 23 Find similar productsSolarLite Filter for Telescope, fits Meade ETX 125, Celestron C-4.5, C-114, C-5, Nexstar 5. SOLARLITE Filters: NEW (Best Value) After years of R & D we have developed a new solar film that has the optical quality of the glass with the advantages of impregnated polymer (Thousand Oaks Optical Black Polymer). Will never develop pin holes or scratches that can let in light and ruin a filter. Other advantages: Light weight and does not require re-balancing tube assembly, will not break, consistent yellow-orange solar image, even density with any aperture, flat surface compared to other thin film filters that have wrinkles and creases. Will not tear or puncture. Stronger than any other solar film on the market. Also available in sheets. Guaranteed 15 years. | ![]() B00009R7MV Price: $24.99 Score: 5.882 Category: Electronics Rating: 2 Votes: 1 Find similar products85N9 Color Conversion Amber 75mm Filter. 3x3 (75mm) 85N9 Color Conversion Wratten 2 Optical Gel Filter - Using tungsten film in daylight will produce a bluish cast in the photograph. The 85 series will produce natural colors when shooting with tungsten film outdoors. A #85 filter will decrease the color temperature from 5500K to 3400K and produce slightly cooler results than an 85B. This filter combines an 85 conversion filter with a Neutral Density .6 (two stops) filter. |









