Top 20 Best Selling Filters Telescope Accessories (2018)




We are able to see the Moon at night thanks to sunlight reflecting off its rocky surface. When looking at the Moon through a telescope, bright reflected sunlight can produce significant glare. The Moon's disk, even at partial phases, is in fact so intense ... more info

Celestron Filter - Moon Filter Filter 94119A Lenses & Filters ... more info


Capture high resolution 5MP planetary, lunar and solar images. Combined with the included software package, NexImage 5 MP can bring out tremendous detail and produce images that will rival those taken with astronomical cameras costing hundreds more. ... more info


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Three E-Lux 2 Eyepieces - 3-element fully multicoated optical design with a 56apparent field of view 2 Barlow Lens - 2x A Barlow lens doubles the magnifying power of your eyepiece by doubling its effective focal length. Five Colored Eyepiece (Lunar & Plan ... more info

This is a safe full aperture solar filter. This means that it allows the most light possible into the telescope because it allows the full aperture of your telescope to be viewed. The full aperture allows the best possible daytime viewing when there is mi ... more info



The Baader Planetarium 1¼''/2'' Expansion Adapter enables use of 2'' eyepieces in 1¼'' focusers and diagonals (of course, some vignetting will occur with larger 2'' eyepieces).  The 1¼'' Nosepiece is threaded for 1¼''filters, and the internal surfaces are ... more info

The Moon's disk, even at partial phases, is intensely bright with reflected sunlight. The glare washes out most of the craters, rilles, and other surface details from view. Our Moon Filter reduces the glare, allowing transmission of only 13 percent of the ... more info



For viewing many common nebulas Reduces glare and light scattering Increases contrast through selective filtration Made of high quality, solid plane parallel glass with excellent homogeneity Anti-reflection coated to prevent glaring and ghosting ... more info




Lumicon Color Filters are made from renowned Schott and Hoya optical glass and allow for maximum contrast on viewing planetary and lunar detail. Individually precision ground, highly polished with maximum light transmission coatings on both sides, these f ... more info

Who said you have to be in the dark to do astronomy? Turning your telescope to the Sun is fun and educational. Watch the march of giant sunspots, the clouds of glowing vapor in the photosphere, and solar granulation detail. But be sure to protect your pre ... more info




Color filters are an essential tool of the lunar and planetary observer, for filters permit the observation and photography of surface detail that is often virtually invisible without filtration. Filters solve, or greatly reduce, the effects of two basic ... more info

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 ... more info


This Infrared filter can help you to do Infrared photography by ordinary DSLR cameras. By replacing the Hoya R72 filter, this can block all visible light under 720 nm, so you can experience some different photography. Our picture shows the basic differenc ... more info


The Baader Planetarium Moon & Skyglow (Neodymium) filter brings an entirely unique approach to planetary contrast enhancement and light pollution reduction. Based on earlier research at Carl Zeiss, Baader has developed a new filter that uses Neodymium gl ... more info



Reduces dew build-up on the corrector plate Keeps stray light from the corrector plate, greatly improving contrast Fits easily onto all of Celestrons 8-inch Schmidt-Cassegrain telescopes. Made of rugged plastic with a tapered design ... more info

The Orion Safety Film Solar Filter for 6 Reflector Telescopes is made with high-quality Baader Astro Solar Safety Film, which is made specifically for safe observation of the Sun through a telescope. Using this streak-free and blister-free film filter is ... more info



Eyepiece filters are an invaluable aid in lunar and planetary observing. They reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue. Celestron's fil ... more info

Levenhuk solar filters are made using the special Baader Planetarium film of German make. With them, you can safely observe the Sun without having to worry about permanent eye damage. These filters fit the telescopes of 76-mm (3-in) aperture. The Baader ... more info

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