Skip to content
Astro-Tech Eyepieces Now on Sale!
Astro-Tech Eyepieces Now on Sale!

Over 5,000 Five Star Reviews

Free shipping over $100

Easy 30-day returns

Shop with an expert: 800-422-7876

Filters & Filter Wheels

Filters

  • 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
    More on the way

    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 $79.00 - Original price $79.00
    Original price
    $79.00
    $79.00 - $79.00
    Current price $79.00

    ZWO Filter Drawer M42

    ZWO
    More on the way

    ZWO FD M42 II Filter Drawer – Precision and Convenience for Your Astrophotography Setup If you're an astrophotographer looking for a seamless way t...

    View full details
    Original price $79.00 - Original price $79.00
    Original price
    $79.00
    $79.00 - $79.00
    Current price $79.00
  • 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
    Sold Out

    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
    Sold out
  • 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 #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 $19.95 - Original price $19.95
    Original price
    $19.95
    $19.95 - $19.95
    Current price $19.95

    Antares 2" #ND9 13% Transmission Neutral Density Grey Moon filter

    Antares
    Sold Out

    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...

    View full details
    Original price $19.95 - Original price $19.95
    Original price
    $19.95
    $19.95 - $19.95
    Current price $19.95
    Sold out
  • Original price $79.00 - Original price $79.00
    Original price
    $79.00
    $79.00 - $79.00
    Current price $79.00

    ZWO Filter Drawer M54

    ZWO
    In Stock

    ZWO FD M54 II Filter Drawer – Precision and Convenience for Your Astrophotography Workflow The ZWO FD M54 II Filter Drawer is designed to make swap...

    View full details
    Original price $79.00 - Original price $79.00
    Original price
    $79.00
    $79.00 - $79.00
    Current price $79.00
  • 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 $35.00 - Original price $35.00
    Original price
    $35.00
    $35.00 - $35.00
    Current price $35.00

    ZWO Extra 2" Filter Holder (Generation 2) for ZWO Nikon, EOS, and Gen 2 M54 and M42 Filter Drawers

    ZWO
    More on the way

    ZWO F-HLDR – Precision Filter Holder for Your Astrophotography Needs Astrophotographers know that the difference between an average image and a stu...

    View full details
    Original price $35.00 - Original price $35.00
    Original price
    $35.00
    $35.00 - $35.00
    Current price $35.00
  • Original price $199.00 - Original price $199.00
    Original price
    $199.00
    $199.00 - $199.00
    Current price $199.00

    Optolong L-Pro 2" Light Pollution Filter

    Optolong
    Sold Out

    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 ...

    View full details
    Original price $199.00 - Original price $199.00
    Original price
    $199.00
    $199.00 - $199.00
    Current price $199.00
    Sold out
  • Original price $299.00 - Original price $299.00
    Original price
    $299.00
    $299.00 - $299.00
    Current price $299.00

    ZWO EFW 5-Position Filter Wheel For 2" Filters

    ZWO
    Sold Out

    ZWO EFW 5x2 Filter Wheel – Precision and Efficiency for Your Imaging Setup If you're looking to streamline your astrophotography workflow, the ZWO ...

    View full details
    Original price $299.00 - Original price $299.00
    Original price
    $299.00
    $299.00 - $299.00
    Current price $299.00
    Sold out
Free Shipping

On orders over $100

30-Day Returns

Easy returns and exchanges

Expert Support

Call 800-422-7876

Secure Checkout

Protected transactions