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  1. Optec - #8 Pale Yellow, 50mm diam. x 2mm thick.

    Optec - #8 Pale Yellow, 50mm diam. x 2mm thick.

    Does a better job blocking the violet and UV at the expense of ... Learn More
    Model#: 17231
    $30.00

  2. Optec - Astrodon "I"-series LRBG filter set, 50mm diameter x 3mm thick.

    Optec - Astrodon "I"-series LRBG filter set, 50mm diameter x 3mm thick.

    Astrodon Tru-Balance RGB filters have revolutionized CCD ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 19125
    $825.00

  3. Optec - #23A Light Red,  50mm diam x 2mm thick

    Optec - #23A Light Red, 50mm diam x 2mm thick

    Blocks blue and green light completely, passes light longer than ... Learn More
    Model#: o17235
    $30.00

  4. Optec - Astrodon Clear filter with UV blocking, 50mm dia., 2mm thick.

    Optec - Astrodon Clear filter with UV blocking, 50mm dia., 2mm thick.

    Astrodon Photometrics UVBRcIc filters adhere to the Johnson/Cousins designs as ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 19436
    $225.00

  5. Optec - #12 Yellow, 50mm diam x 2mm thick

    Optec - #12 Yellow, 50mm diam x 2mm thick

    Optec - #12 Yellow Wratten filter 50mm x2mm ... Learn More
    Model#: 17232
    $30.00

  6. Optec - Astrodon Rc photometric filter, 50mm diameter, 3mm thick.

    Optec - Astrodon Rc photometric filter, 50mm diameter, 3mm thick.

    Astrodon Photometrics UVBRcIc filters adhere to the Johnson/Cousins designs as ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 19434
    $320.00

  7. Optec - #47B Blue, 50mm diam x 2mm thick

    Optec - #47B Blue, 50mm diam x 2mm thick

    This filter is used for RGB imaging to pass the blue band ... Learn More
    Model#: 17236
    $30.00

  8. Optec - #21 Orange, 50mm diam x 2mm thick

    Optec - #21 Orange, 50mm diam x 2mm thick

    Optec - #21 Orange, 50mm diam x 2mm thick ;Blocks blue completely and ... Learn More
    Model#: 17233
    $30.00

  9. Optec - Astrodon Ic photometric filter, 50mm diameter, 3mm thick.

    Optec - Astrodon Ic photometric filter, 50mm diameter, 3mm thick.

    Astrodon Photometrics UVBRcIc filters adhere to the Johnson/Cousins designs as ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 19435
    $320.00

9 Item(s)

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