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![]() B0B8393SDK Price: $119.99 Score: 1000.000 Category: Electronics Rating: 4.1 Votes: 12 Find similar productsOrion 5590 Deluxe Stargazer's 1.25-Inch Eyepiece Filter Set. From the Manufacturer A comprehensive and refreshingly affordable filter set for the best views of all types of celestial objects through 1.25 eyepieces. Includes a variable polarizing eyepiece filter for optimal Moon and planetary views. Four included color planetary eyepiece filters (#80A medium blue, #25 red, #58 green, and #15 deep yellow) coax out features and details of our neighbors in the solar system. SkyGlow broadband light-pollution eyepiece filter helps increase contrast when viewing from light polluted urban and suburban locations. Filters are optical glass with anodized aluminum cells. Hard case included. | ![]() B07D8J69M7 Availability: Currently unavailable Score: 7.143 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. |
![]() B0047DBCHG Availability: Currently unavailable Score: 6.579 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. | ![]() B0018IOZDG Price: $79 Score: 6.494 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. |
![]() B0BZCGF172 Price: $39.99 Score: 6.135 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. | ![]() B07V7B98DT Price: $69.99 Score: 6.024 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. |
![]() B01066PM46 Availability: Currently unavailable Score: 5.988 Category: Electronics Rating: 5 Votes: 4 Find similar productsSky-Watcher Quattro 300P Imaging Newtonian - Large Aperture 12-inch Reflector Optical Tube for Astrophotography. The Quattro Imaging Newtonian is one of the most affordable telescopes with a f/4 focalratio. This astrograph is capable of producing an exposure 6x faster than any f/10 optical tube.Even pricey refractors have trouble reaching a focal ratio this fast. Using a faster optical tubewill shorten the exposure time, giving you more time to photograph nebulae, clusters, and otherdeep sky objects.Like all Sky-Watcher reflectors, our Quattro Imaging Newtonian features aluminum-coated borosilicate mirrors with a quartz overcoat, producing 94% reflectivity. The opticalsystem uses an oversized secondary mirror, providing greater illumination for DSLRs and CCDsusing full-frame sensors. The optical tube is constructed with rolled steel, and features Sky-Watcher’s signature metal-flake Black Diamond finish on the exterior. The interior of the opticaltube uses knife-edge baffles to absorb any stray light from ruining your images.As customary with all Sky-Watcher telescopes, a boat-load of accessories are bundledwith the optical tube. First is a 2-inch dual-speed 10:1 focuser with included 1.25-inch eyepieceadapter, which provides flexibility for either 1.25-inch or 2-inch eyepieces. Also included aretube rings and a V-style dovetail plate, as well as a 9x50 finderscope. For photographerslooking to create a flat field and eliminate vignetting, an optional coma corrector is availableseparately. Parabolic mirrors normally produce some aberrations around the edge of the field ofview (coma), so this corrector is highly recommended for users with large imaging sensors and full-frame DSLRs. | ![]() B01EL9G626 Price: $25.99 Score: 5.848 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. |
![]() B00YREL9HI Availability: Currently unavailable Score: 5.780 Category: Electronics Rating: 4.3 Votes: 25 Find similar productsGosky 10mm 1.25inch Plossl Telescope Eyepiece - 4-Element Plossl Design - Threaded for Standard 1.25inch Astronomy Filters (10mm). . | ![]() B00YO52RMG Price: $80.5 Score: 5.714 Category: Electronics Rating: 4.8 Votes: 13 Find similar productsAgena 1.25 Starguider Dual ED Eyepiece - 15mm. Agena's StarGuider Dual ED eyepieces are long eye relief eyepieces with a comfortably wide field for planetary observing that also give the sharpness, high contrast, and lack of lateral color and light scatter of the finest orthoscopic and Plossl designs. These can be used in any astronomical telescope that can accept standard 1.25 eyepieces. Unlike many more expensive eyepieces for planetary observing, the Starguider Dual ED 15mm eyepiece maintains an excellent eye relief of 20mm. With sixlens elements in this unique design, this eyepiece is fully internally baffled and all internal spacers have antireflection microbaffles on their edges with flat black anodizing to reduce reflections when viewing the Moon and bright planets. Every air to glass surface is broadband multi-coated for peak light transmission and outstanding contrast on subtle lunar and planetary detail. Spherical aberration of the exit pupil is well controlled, so there are no serious blackouts or kidney-bean effects if you move your eye slightly off the axis. The eyepiece has a twist-up eyecup that can be raised or lowered to provide the eye relief you find most comfortable. This eyepiece is parfocal with other focal lengths in this series, minimizing the amount of refocusing needed when switching from eyepiece to eyepiece. It is threaded to accept standard 1.25 astronomy filters and weighs approx. 6oz. Note that the color of the trim on the eyepiece may change at any time and may not exactly match the color depicted above. |









