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Original price $12.95 - Original price $12.95Original price$12.95$12.95 - $12.95Current price $12.95| /
Astro-Tech 1.25" #ND9 13% Transmission Neutral Density Grey Moon Filter
Astro-TechIn StockThis economical Astro-Tech ND9 neutral gray filter reduces the brightness and glare that can mask low contrast details during lunar and planetary v...
View full detailsOriginal price $12.95 - Original price $12.95Original price$12.95$12.95 - $12.95Current price $12.95| / -
Original price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| /
Astro-Tech #23A Light Red 1.25" Color Filter
Astro-TechIn StockThis #23A light red Astro-Tech 1.25" eyepiece filter is useful when observing Mercury and Venus during the day and at twilight and when observing M...
View full detailsOriginal price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| / -
Original price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| /
Astro-Tech #56 Light Green 1.25" Color Filter
Astro-TechIn StockIf you have a scope 6" in aperture and under, this Astro-Tech #56 light green 1.25" eyepiece filter is a useful tool for observing different featur...
View full detailsOriginal price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| / -
Original price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| /
Astro-Tech #21 Orange 1.25" Color Filter
Astro-TechIn StockThis #21 orange Astro-Tech 1.25" eyepiece filter is useful in improving contrast when observing the Moon and all planets out to Saturn in telescope...
View full detailsOriginal price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| / -
Original price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| /
Astro-Tech #47 Violet 1.25" Color Filter
Astro-TechIn StockIf you have a big scope (8" in aperture and larger), this Astro-Tech #47 violet 1.25" eyepiece filter can help detect high clouds and haze over the...
View full detailsOriginal price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| / -
Original price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| /
Astro-Tech #12 Medium Yellow 1.25" Color Filter
Astro-TechIn StockThis #12 medium yellow Astro-Tech 1.25" eyepiece filter is helpful in improving lunar and Martian contrast in telescopes 4" to 8" in aperture, part...
View full detailsOriginal price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| / -
Original price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| /
Celestron 18% Transmission Green 1.25" Moon Filter
CelestronMore on the wayThis medium green 22mm clear aperture 1.25" eyepiece filter reduces irradiation, glare, and excess image brightness in lunar observing. It also imp...
View full detailsOriginal price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| / -
Original price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| /
Astro-Tech #58 Dark Green 1.25" Color Filter
Astro-TechIn StockThis Astro-Tech #58 dark green 1.25" eyepiece filter is very helpful when observing the Moon and Mars, plus enhances a variety of features on all t...
View full detailsOriginal price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| / -
Original price $89.95 - Original price $89.95Original price$89.95$89.95 - $89.95Current price $89.95| /
Celestron 1.25" UHC Narrowband Filter
CelestronIn StockThis Celestron ultra high contrast (UHC) light pollution filter has improved contrast when compared with the wider passband of a broadband filter, ...
View full detailsOriginal price $89.95 - Original price $89.95Original price$89.95$89.95 - $89.95Current price $89.95| / -
Original price $179.00 - Original price $179.00Original price$179.00$179.00 - $179.00Current price $179.00| /
Optolong L-Enhance 1.25" Light Pollution Tri-Band Imaging Filter
OptolongIn StockTake back the night sky by using the Optolong L-eNhance 1.25" Tri-Band filter when imaging. A convenient and economic way to eNhance your nightly p...
View full detailsOriginal price $179.00 - Original price $179.00Original price$179.00$179.00 - $179.00Current price $179.00| / -
Original price $89.95 - Original price $89.95Original price$89.95$89.95 - $89.95Current price $89.95| /
Celestron 1.25" Oxygen III Line Band Filter
CelestronIn StockThis Celestron Oxygen III light pollution filter has a very narrow passband for very high contrast on emission nebulas, making it a good choice for...
View full detailsOriginal price $89.95 - Original price $89.95Original price$89.95$89.95 - $89.95Current price $89.95| / -
Original price $149.00 - Original price $149.00Original price$149.00$149.00 - $149.00Current price $149.00| /
Optolong L-Pro 1.25" Light Pollution Filter
OptolongIn StockThe Optolong 1.25" L-Pro light pollution filter is a great way to suppress the issues caused by all these lights that are all around us. This mount...
View full detailsOriginal price $149.00 - Original price $149.00Original price$149.00$149.00 - $149.00Current price $149.00| / -
Original price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| /
Astro-Tech #29 Dark Red 1.25" Color Filter
Astro-TechIn StockIf you have a big scope (10" in aperture and larger), this #29 dark red Astro-Tech 1.25" eyepiece filter can be useful when observing Mercury and V...
View full detailsOriginal price $11.95 - Original price $11.95Original price$11.95$11.95 - $11.95Current price $11.95| / -
Original price $239.00 - Original price $239.00Original price$239.00$239.00 - $239.00Current price $239.00| /
Optolong L-Extreme 1.25" Light Pollution Dual Passband Imaging Filter 7Nm Ha/Oiii
OptolongIn StockTake back the night sky by using the Optolong L-eXtreme 1.25" Dual Passband filter when imaging. Take your backyard imaging to places you never tho...
View full detailsOriginal price $239.00 - Original price $239.00Original price$239.00$239.00 - $239.00Current price $239.00| / -
Original price $229.00 - Original price $229.00Original price$229.00$229.00 - $229.00Current price $229.00| /
Optolong Oxygen OIII 6.5nm 2" Filter
OptolongIn StockTake your imaging up a notch with the improved OIII filter from Optolong. Optolong filters are here to help all of us Earth based Astronauts. As l...
View full detailsOriginal price $229.00 - Original price $229.00Original price$229.00$229.00 - $229.00Current price $229.00| / -
Original price $49.99 - Original price $49.99Original price$49.99$49.99 - $49.99Current price $49.99| /
Explore Scientific 1.25" 0.9 Neutral Density Filter 13% Transmission
Explore ScientificIn Stock1.25" Diameter Filter Works best in 6-8 inch telescopes Get more out of your lunar observing This Explore Scientific ND9 neutral gray filter redu...
View full detailsOriginal price $49.99 - Original price $49.99Original price$49.99$49.99 - $49.99Current price $49.99| / -
Original price $159.00 - Original price $159.00Original price$159.00$159.00 - $159.00Current price $159.00| /
Optolong SII 6.5nm 1.25" Filter
OptolongIn StockThe SII 6.5nm from Optolong works fantastically as a photographic filter, but also works for viewing faint nebula. Optolong filters are here to hel...
View full detailsOriginal price $159.00 - Original price $159.00Original price$159.00$159.00 - $159.00Current price $159.00| / -
Original price $159.00 - Original price $159.00Original price$159.00$159.00 - $159.00Current price $159.00| /
Optolong H-Alpha 7nm 1.25" Filter
OptolongIn StockThe H-Alpha 7nm from Optolong works fantastically as a photographic filter, but also works for viewing faint emission nebula. Optolong filters are ...
View full detailsOriginal price $159.00 - Original price $159.00Original price$159.00$159.00 - $159.00Current price $159.00| / -
Original price $159.00 - Original price $159.00Original price$159.00$159.00 - $159.00Current price $159.00| /
Optolong Oxygen OIII 6.5nm 1.25" Filter
OptolongIn StockTake your imaging up a notch with the improved OIII filter from Optolong. Optolong filters are here to help all of us Earth based Astronauts. As l...
View full detailsOriginal price $159.00 - Original price $159.00Original price$159.00$159.00 - $159.00Current price $159.00| / -
Original price $229.00 - Original price $229.00Original price$229.00$229.00 - $229.00Current price $229.00| /
Optolong LRGB 1.25" Imaging Mounted Filter Set
OptolongIn StockLook no further for an LRGB set for your 1.25" filter wheel or drawer. Time to get serious with your monochrome CCD or CMOS camera. The filter set...
View full detailsOriginal price $229.00 - Original price $229.00Original price$229.00$229.00 - $229.00Current price $229.00| / -
Original price $665.00 - Original price $665.00Original price$665.00$665.00 - $665.00Current price $665.00| /
Optolong LRGB + SHO 1.25" Imaging Mounted 7 Filter Set
OptolongIn StockThis 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,...
View full detailsOriginal price $665.00 - Original price $665.00Original price$665.00$665.00 - $665.00Current price $665.00| / -
Original price $495.00 - Original price $495.00Original price$495.00$495.00 - $495.00Current price $495.00| /
Questar Variable Polarizer for Imaging with 3.5" and 7" Questars
QuestarIn StockThis Questar variable polarizing assembly allows you to control the effective f/stop of a Questar telescope during terrestrial and lunar prime focu...
View full detailsOriginal price $495.00 - Original price $495.00Original price$495.00$495.00 - $495.00Current price $495.00| /