The Eyepiece and Filter Kit (#94303) contains: • Five Superior Grade Plössl Eyepieces - 1.25” — 4-element design with a 52° AFOV (32mm has 44° ) — Superb color resolution, edge sharpness and clarity. All eyepieces are fully multi-coated for maximum...
Celestron Eyepiece Filter Set 1.25 in (21, 80A, 15, Polarizing) Kit includes: 21, 80A, #15, Polarizing filters Celestron color filters are mounted in black anodized aluminum cells with the Kodak Wratten Series Number individually engraved, and come...
Celestron’s Moon Filter is an economical eyepiece filter for reducing the brightness of the moon and improving contrast, so greater detail can be observed on the lunar surface. The clear aperture is 21mm and the transmission is about 18%.
The 1-1/4" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light. The result is extreme contrast...
The 2" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light. The result is extreme contrast between...
Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light. This includes mercury vapor, and both high and low pressure...
Our 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light. This includes mercury vapor, and both high and low pressure...
The best all-purpose nebula filter on the market today, the Lumicon 2in Deep Sky Filter blocks all high & low pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum. Visually,...
Also known as the Horsehead Nebula filter, the Lumicon 1.25in Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast. Now you can view extremely faint...
Also known as the Horsehead Nebula filter, the Lumicon 2" Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast. Now you can view extremely faint...
The legendary Lumicon 1.25in OIII narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by diffuse, planetary and extremely faint nebulae. Thus, these faint objects become much more visible against...
The legendary Lumicon 2" OIII narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by diffuse, planetary and faint nebulae. Thus, these faint objects become much more visible against the...
The ULTIMATE nebula filter. The original Lumicon 1.25in Ultra High Contrast Filter is unbeatable for revealing nebulosity. This is achieved by passing three nebula emission lines-the two doubly ionized oxygen lines (496 and 501nm) and the H-beta...
The ULTIMATE nebula filter. The original Lumicon 2" Ultra High Contrast Filter is unbeatable for revealing nebulosity. This is achieved by passing three nebula emission lines-the two doubly ionized oxygen lines (496 and 501nm) and the H-beta...
Meade Series 4000 #905 Variable Polarizing Filter (1.25") For glare-reduction in observing the Moon, the Series 4000™ #905 Variable Polarizing Filter (1.25") allows decreasing the image brightness for more comfortable viewing. Includes two...
Series 4000 Moon Filter:ND96 Color filters are considered by many to be an essential "must have" for observing and imaging the moon and planets. The high quality Meade Series 4000 Color Filter Sets are manufactured from the finest optical...
Stellarvue Chromatic Aberration Filter Light filtering. For telescopes with very minimal false color. 1.25" size. Made with precisely flat optical glass coated with hard, multi-layer coatings in the USA. Now available. #XCRL1
Thousand Oaks LP-1 Broadband (Black Cell) 1.25" For slight to moderately light-polluted ares. Enhance your deep sky viewing with the latest in multi-layer coating technology. Over three years in development. Our filters transmit desired...
Thousand Oaks LP-1 Broadband (Black Cell) 2" (48mm) For slight to moderately light-polluted ares. Enhance your deep sky viewing with the latest in multi-layer coating technology. Over three years in development. Our filters transmit desired...
Thousand Oaks LP-2 Narrowband (Blue Cell) 1.25" For heavily light polluted areas. Enhance your deep sky viewing with the latest in multi-layer coating technology. Over three years in development. Our filters transmit desired wave-lengths in a...
Thousand Oaks LP-2 Narrowband (Blue Cell) 2" (48mm) For heavily light polluted areas. Enhance your deep sky viewing with the latest in multi-layer coating technology. Over three years in development. Our filters transmit desired wave-lengths...
Thousand Oaks LP-3 Oxygen III Narrowband Filter (Green Cell) 1.25" For diffuse and planetary nebulae. Enhance your deep sky viewing with the latest in multi-layer coating technology. Over three years in development. Our filters transmit desired...
Thousand Oaks LP-4 H-Beta Filter (Red Cell) 1.25" For heavily light polluted areas. Enhance your deep sky viewing with the latest in multi-layer coating technology. Over three years in development. Our filters transmit desired wave-lengths in...
Thousand Oaks LP-4 H-Beta Filter (Red Cell) 1.25" (48mm) For heavily light polluted areas. Enhance your deep sky viewing with the latest in multi-layer coating technology. Over three years in development. Our filters transmit desired...