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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 Stock5.0 / 5.0
1 Review
This 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 $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| /
Antares 2" #ND9 13% Transmission Neutral Density Grey Moon filter
AntaresMore on the wayThis Antares ND9 (neutral density 0.9) gray filter reduces the brightness and glare that can mask low contrast details during lunar and planetary o...
View full detailsOriginal price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| / -
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 $79.00 - Original price $79.00Original price$79.00$79.00 - $79.00Current price $79.00| /
ZWO Filter Drawer M42
ZWOIn StockZWO 2-inch Filter Drawer with 21mm ring design is independently developed by ZWO, which includes M42 * 0.75 male thread (camera side) and M48 * 0.7...
View full detailsOriginal price $79.00 - Original price $79.00Original price$79.00$79.00 - $79.00Current price $79.00| / -
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 Stock5.0 / 5.0
1 Review
This #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 $199.00 - Original price $199.00Original price$199.00$199.00 - $199.00Current price $199.00| /
Optolong L-Pro 2" Light Pollution Filter
OptolongMore on the wayThe 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 ...
View full detailsOriginal price $199.00 - Original price $199.00Original price$199.00$199.00 - $199.00Current price $199.00| / -
Original price $309.00 - Original price $309.00Original price$309.00$309.00 - $309.00Current price $309.00| /
Optolong L-Extreme 2" Light Pollution Dual Passband Imaging Filter 7Nm Ha/Oiii
OptolongIn StockTake 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...
View full detailsOriginal price $309.00 - Original price $309.00Original price$309.00$309.00 - $309.00Current price $309.00| / -
Original price $229.00 - Original price $229.00Original price$229.00$229.00 - $229.00Current price $229.00| /
Optolong L-Enhance 2" Light Pollution Tri-Band Imaging Filter
OptolongIn StockTake 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...
View full detailsOriginal price $229.00 - Original price $229.00Original price$229.00$229.00 - $229.00Current price $229.00| / -
Original price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| /
Celestron 48mm UHC Narrowband Filter for 2" Eyepieces
CelestronIn Stock5.0 / 5.0
2 Reviews
This 2" Celestron ultra high contrast (UHC) light pollution filter blocks out most unwanted light pollution, making it easier to pick out faint neb...
View full detailsOriginal price $119.95 - Original price $119.95Original price$119.95$119.95 - $119.95Current price $119.95| / -
Original price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| /
Astro-Tech 2" Crystalview Moon Filter
Astro-TechSold OutThis Astro-Tech 2” 13% transmission neutral gray filter reduces the brightness and glare that can mask low contrast details during lunar and planet...
View full detailsOriginal price $19.95 - Original price $19.95Original price$19.95$19.95 - $19.95Current price $19.95| /Sold out -
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 way4.0 / 5.0
3 Reviews
This 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 $299.00 - Original price $299.00Original price$299.00$299.00 - $299.00Current price $299.00| /
ZWO EFW 5-Position Filter Wheel For 2" Filters
ZWOMore on the wayThis low profile ZWO filter wheel is just what your monochrome camera ordered. Inside the CNC body of the ZWO EFW 5 position filter wheel you will ...
View full detailsOriginal price $299.00 - Original price $299.00Original price$299.00$299.00 - $299.00Current price $299.00| / -
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 Stock4.0 / 5.0
6 Reviews
This 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 $159.50 - Original price $159.50Original price$159.50$159.50 - $159.50Current price $159.50| /
Thousand Oaks LP-4 H-Beta Line Band Filter for 2" Eyepieces
Thousand OaksMore on the wayVery 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...
View full detailsOriginal price $159.50 - Original price $159.50Original price$159.50$159.50 - $159.50Current price $159.50| / -
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 Stock5.0 / 5.0
1 Review
Take 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 $229.00 - Original price $229.00Original price$229.00$229.00 - $229.00Current price $229.00| /
Optolong H-Alpha 7nm 2" Filter
OptolongMore on the wayThe 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 $229.00 - Original price $229.00Original price$229.00$229.00 - $229.00Current price $229.00| / -
Original price $144.95 - Original price $144.95Original price$144.95$144.95 - $144.95Current price $144.95| /
Celestron 48mm Oxygen III Line Band Filter for 2" Eyepieces
CelestronIn Stock4.0 / 5.0
1 Review
This new Celestron 2" Oxygen III light pollution line filter isolates the two glowing emission lines of doubly-ionized oxygen (at 4959 Ångstroms an...
View full detailsOriginal price $144.95 - Original price $144.95Original price$144.95$144.95 - $144.95Current price $144.95| / -
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 Stock4.0 / 5.0
2 Reviews
This 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 $299.00 - Original price $299.00Original price$299.00$299.00 - $299.00Current price $299.00| /
ZWO EFW 7X36 Version II
ZWOMore on the wayThis low profile ZWO filter wheel is just what your monochrome camera ordered. Inside the CNC body of the ZWO EFW 7 position filter wheel you will ...
View full detailsOriginal price $299.00 - Original price $299.00Original price$299.00$299.00 - $299.00Current price $299.00| / -
Original price $399.00 - Original price $399.00Original price$399.00$399.00 - $399.00Current price $399.00| /
ZWO EFW 7-Position Filter Wheel for 2"
ZWOMore on the wayThis low profile 7 position ZWO filter wheel is just what your monochrome camera ordered. Inside the CNC body of the ZWO EFW 7 position filter whee...
View full detailsOriginal price $399.00 - Original price $399.00Original price$399.00$399.00 - $399.00Current price $399.00| /