Filters & Filter Wheels

This Antares ND9 (neutral density 0.9) gray filter reduces the brightness and glare that can mask low contrast details during lunar and planetary o...

The 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 ...

Take back the night sky by using the Optolong L-eXtreme 2" Dual Passband filter when imaging. Take your backyard imaging to places you never though...

Take back the night sky by using the Optolong L-eNhance 2" Tri-band filter when imaging. A convenient and economic way to eNhance your nightly pass...

This Astro-Tech 2” 13% transmission neutral gray filter reduces the brightness and glare that can mask low contrast details during lunar and planet...

Very 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 H-Alpha 7nm from Optolong works fantastically as a photographic filter, but also works for viewing faint emission nebula. Optolong filters are ...

This filter is designed to specifically enhance your Origin experience. Get the Most Out of Your Origin: Enhance your Celestron Origin’s views an...

This new Celestron 2" Oxygen III light pollution line filter isolates the two glowing emission lines of doubly-ionized oxygen (at 4959 Ångstroms an...

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The SII 6.5nm from Optolong works fantastically as a photographic filter, but also works for viewing faint nebula. Optolong filters are here to hel...

This is the complete set of imaging filters to take your session to a higher level. This Optolong set comes with 7 filters.  The LRGB set, H-Alpha,...

The 2" Lunt PF-1 polarizing filter is designed for use with 2" eyepieces in the Lunt LS2HW Solar Wedge to control the image brightness during white...

2" Diameter Filter Works best in 6-8 inch telescopes Get more out of your lunar observing This Explore Scientific ND9 neutral gray filter reduces...

Add this set to your LRBG set and get the most out of your imaging.This Optolong filter set is designed to bring out the best in your astro-photogr...

Take back the night sky by using the Optolong L-eXtreme 2" Dual Passband filter when imaging. Take your backyard imaging to places you never though...

Add this 3nm set to your LRBG set and get the most out of your imaging.This Optolong filter set is designed to bring out the best in your astro-pho...