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Astro-Tech 2" CrystalView Moon Filter
$19.95This Astro-Tech 2” 13% transmission neutral gray filter reduces the brightness and glare that can mask low contrast details during lunar and planetary observing . . .
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48mm Oxygen III line band filter for 2" eyepieces
$139.95This 2" Celestron Oxygen III light pollution filter has a very narrow passband that blocks out almost all unwanted light pollution, making it a good choice for nebula observing from city and suburban locations . . . -
Optolong L-eXtreme 2" Light Pollution Dual Passband Imaging Filter 7nm Ha/OIII
$309.00Take back the night sky by using the Optolong L-eXtreme 2" Dual Passband filter when imaging. Take your backyard imaging to places you never thought possible.
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Optolong LRGB + SHO 2" Imaging Mounted 7 Filter Set
$1,009.00This is the complete set of imaging filters to take your session to a higher level. -
Antares 2" #ND9 13% Transmission neutral density grey Moon filter
$19.95This Antares 2" 13% transmission neutral gray filter reduces the brightness and glare that can mask low contrast details during lunar and planetary observing . . . -
Optolong L-Pro 2" Light Pollution Filter
$199.00The Optolong 2" L-Pro light pollution filter is a great way to suppress the issues caused by all these lights that are all around us. This mounted filter can be used visually or photographically. -
Optolong SII 6.5nm 2" filter
$229.00The SII 6.5nm from Optolong works fantastically as a photographic filter, but also works for viewing faint nebula. -
Optolong L-Ultimate 2" Light Pollution Dual Passband Imaging Filter 3nm Ha/OIII
$389.00Take back the night sky by using the Optolong L-eXtreme 2" Dual Passband filter when imaging. Take your backyard imaging to places you never thought possible.
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LP-4 H-Beta Line band filter for 2" eyepieces
$159.50Very steep cut-off slopes and a narrow passband make this 2" Thousand Oaks H-Beta filter ideal for viewing certain very faint emission nebulas like the California, Cocoon, and Horsehead.