Skip to content

Filters & Filter Wheels

  • Original price $12.95 - Original price $12.95
    Original price
    $12.95
    $12.95 - $12.95
    Current price $12.95

    Astro-Tech 1.25" #ND9 13% Transmission Neutral Density Grey Moon Filter

    Astro-Tech
    In Stock

    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 details
    Original price $12.95 - Original price $12.95
    Original price
    $12.95
    $12.95 - $12.95
    Current price $12.95
  • Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95

    Astro-Tech #23A Light Red 1.25" Color Filter

    Astro-Tech
    In Stock

    This #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 details
    Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95
  • Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95

    Astro-Tech #56 Light Green 1.25" Color Filter

    Astro-Tech
    In Stock

    If 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 details
    Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95
  • Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95

    Astro-Tech #21 Orange 1.25" Color Filter

    Astro-Tech
    In Stock

    This #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 details
    Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95
  • Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95

    Astro-Tech #47 Violet 1.25" Color Filter

    Astro-Tech
    In Stock

    If 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 details
    Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95
  • Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95

    Astro-Tech #12 Medium Yellow 1.25" Color Filter

    Astro-Tech
    In Stock

    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 details
    Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95
  • Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95

    Celestron 18% Transmission Green 1.25" Moon Filter

    Celestron
    More on the way

    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 details
    Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95
  • Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95

    Astro-Tech #58 Dark Green 1.25" Color Filter

    Astro-Tech
    In Stock

    This 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 details
    Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95
  • Original price $89.95 - Original price $89.95
    Original price
    $89.95
    $89.95 - $89.95
    Current price $89.95

    Celestron 1.25" UHC Narrowband Filter

    Celestron
    In Stock

    This Celestron ultra high contrast (UHC) light pollution filter has improved contrast when compared with the wider passband of a broadband filter, ...

    View full details
    Original price $89.95 - Original price $89.95
    Original price
    $89.95
    $89.95 - $89.95
    Current price $89.95
  • Original price $179.00 - Original price $179.00
    Original price
    $179.00
    $179.00 - $179.00
    Current price $179.00

    Optolong L-Enhance 1.25" Light Pollution Tri-Band Imaging Filter

    Optolong
    In Stock

    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 details
    Original price $179.00 - Original price $179.00
    Original price
    $179.00
    $179.00 - $179.00
    Current price $179.00
  • Original price $89.95 - Original price $89.95
    Original price
    $89.95
    $89.95 - $89.95
    Current price $89.95

    Celestron 1.25" Oxygen III Line Band Filter

    Celestron
    In Stock

    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 details
    Original price $89.95 - Original price $89.95
    Original price
    $89.95
    $89.95 - $89.95
    Current price $89.95
  • Original price $149.00 - Original price $149.00
    Original price
    $149.00
    $149.00 - $149.00
    Current price $149.00

    Optolong L-Pro 1.25" Light Pollution Filter

    Optolong
    In Stock

    The 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 details
    Original price $149.00 - Original price $149.00
    Original price
    $149.00
    $149.00 - $149.00
    Current price $149.00
  • Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95

    Astro-Tech #29 Dark Red 1.25" Color Filter

    Astro-Tech
    In Stock

    If 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 details
    Original price $11.95 - Original price $11.95
    Original price
    $11.95
    $11.95 - $11.95
    Current price $11.95
  • Original price $239.00 - Original price $239.00
    Original price
    $239.00
    $239.00 - $239.00
    Current price $239.00

    Optolong L-Extreme 1.25" Light Pollution Dual Passband Imaging Filter 7Nm Ha/Oiii

    Optolong
    In Stock

    Take 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 details
    Original price $239.00 - Original price $239.00
    Original price
    $239.00
    $239.00 - $239.00
    Current price $239.00
  • Original price $229.00 - Original price $229.00
    Original price
    $229.00
    $229.00 - $229.00
    Current price $229.00

    Optolong Oxygen OIII 6.5nm 2" Filter

    Optolong
    In Stock

    Take 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 details
    Original price $229.00 - Original price $229.00
    Original price
    $229.00
    $229.00 - $229.00
    Current price $229.00
  • Original price $49.99 - Original price $49.99
    Original price
    $49.99
    $49.99 - $49.99
    Current price $49.99

    Explore Scientific 1.25" 0.9 Neutral Density Filter 13% Transmission

    Explore Scientific
    In Stock

    1.25" 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 details
    Original price $49.99 - Original price $49.99
    Original price
    $49.99
    $49.99 - $49.99
    Current price $49.99
  • Original price $159.00 - Original price $159.00
    Original price
    $159.00
    $159.00 - $159.00
    Current price $159.00

    Optolong SII 6.5nm 1.25" Filter

    Optolong
    In Stock

    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...

    View full details
    Original price $159.00 - Original price $159.00
    Original price
    $159.00
    $159.00 - $159.00
    Current price $159.00
  • Original price $159.00 - Original price $159.00
    Original price
    $159.00
    $159.00 - $159.00
    Current price $159.00

    Optolong H-Alpha 7nm 1.25" Filter

    Optolong
    In Stock

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

    View full details
    Original price $159.00 - Original price $159.00
    Original price
    $159.00
    $159.00 - $159.00
    Current price $159.00
  • Original price $159.00 - Original price $159.00
    Original price
    $159.00
    $159.00 - $159.00
    Current price $159.00

    Optolong Oxygen OIII 6.5nm 1.25" Filter

    Optolong
    In Stock

    Take 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 details
    Original price $159.00 - Original price $159.00
    Original price
    $159.00
    $159.00 - $159.00
    Current price $159.00
  • Original price $229.00 - Original price $229.00
    Original price
    $229.00
    $229.00 - $229.00
    Current price $229.00

    Optolong LRGB 1.25" Imaging Mounted Filter Set

    Optolong
    In Stock

    Look 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 details
    Original price $229.00 - Original price $229.00
    Original price
    $229.00
    $229.00 - $229.00
    Current price $229.00
  • Original price $665.00 - Original price $665.00
    Original price
    $665.00
    $665.00 - $665.00
    Current price $665.00

    Optolong LRGB + SHO 1.25" Imaging Mounted 7 Filter Set

    Optolong
    In Stock

    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,...

    View full details
    Original price $665.00 - Original price $665.00
    Original price
    $665.00
    $665.00 - $665.00
    Current price $665.00
  • Original price $495.00 - Original price $495.00
    Original price
    $495.00
    $495.00 - $495.00
    Current price $495.00

    Questar Variable Polarizer for Imaging with 3.5" and 7" Questars

    Questar
    In Stock

    This Questar variable polarizing assembly allows you to control the effective f/stop of a Questar telescope during terrestrial and lunar prime focu...

    View full details
    Original price $495.00 - Original price $495.00
    Original price
    $495.00
    $495.00 - $495.00
    Current price $495.00

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare