Order By Phone
STORE FRONT: 5348 Topanga Canyon Blvd, Woodland Hills CA 91364

Welcome!

31mm Filters

5 Item(s)

per page

List  Grid 

Set Descending Direction
  1. Astronomik 6 nm SII MFR Narrowband Filter - 31 mm Round Mounted

    Astronomik - 6nm SII MFR Narrowband Filter - 31mm Round Mounted

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: SII6-31
    $249.95

  2. Astronomik 6 nm OIII MFR Narrowband Filter - 31 mm Mounted

    Astronomik - 6nm OIII MFR Narrowband Filter - 31mm Mounted

    The OIII line (501 nm) is located in the blue-green portion of the spectrum, making them very suitable for observing most planetary nebulae and supernovae remnants and other objects with doubly ionized oxygen.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: OIIICCD6-31
    $249.95

  3. Optolong LRGB CCD Filter Set - 31mm Unmounted

    Optolong - LRGB CCD Filter Set - 31mm Unmounted

    The Optolong LRGB Filter Set includes four 31mm unmounted filters, including Red, Green, Blue, and Luminance. They're suitable for de-bayered monochrome CCD and CMOS cameras, and function remarkably for both planetary and deep sky imaging.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB-31U
    $291.00

  4. Astronomik - H-Alpha 6nm CCD Filter - 31mm Round Unmounted

    Astronomik - H-Alpha 6nm CCD Filter - 31mm Round Unmounted

    The Astronomik 6nm H-alpha filter is an extremely narrow emission-line filter for CCD photography.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: HA6-31
    $249.95

  5. Astronomik - LRGB Filter Set - 31mm Round Unmounted

    Astronomik - LRGB Filter Set - 31mm Round Unmounted

    These filters provide a natural color reproduction of planets, stars, emission- and reflection nebulas.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LRGB-31
    $289.95

5 Item(s)

per page

List  Grid 

Set Descending Direction