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Filter Wheel Filters

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  1. 17229

    Optec - Violet rejection filter, 50mm diam x 2mm thick.

    Most refractor optics including apochromatic telescopes are not ... Learn More
    Model#: 17229
    $30.00

  2. 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

  3. Optec - ND 0.6 (25% T), Neutral Density 25% transmission, 2.0±0.4mm thick.
  4. 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

  5. Optec - #58 Light Green, 50mm diam x 2mm thick

    Optec - #58 Light Green, 50mm diam x 2mm thick

    an inexpensive way to get the sharpest image from most telescope systems. ... Learn More
    Model#: 17238
    $30.00

  6. Optec - Clear window, 2.0±0.4mm thick.
  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 - #80A Medium Blue, 50mm diam x 2mm thick

    Optec - #80A Medium Blue, 50mm diam x 2mm thick

    Low transmission in the blue and very transparent in ... Learn More
    Model#: 17239
    $30.00

  10. 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

  11. Optec - #29 Deep Red, 50mm diam x 2mm thick

    Optec - #29 Deep Red, 50mm diam x 2mm thick

    Passes light longer that 610 nm. This filter is ... Learn More
    Model#: o17237
    $30.00

  12. Optec - Optec Deep Sky filter, mounted in 50mm bushing (46mm clear aperture), 4.0 +/- 0.1mm thick.
  13. Optec - Precision Clear filter for use with Bessell set, Multilayer A/R coated, 5.0±0.1mm thick.

    Optec - Precision Clear filter for use with Bessell set, Multilayer A/R coated, 5.0±0.1mm thick.

    Optec - Precision Clear filter for use with Bessell set ... Learn More
    Model#: 17251
    $95.00

  14. Optec - Dichroic Luminance filter w/IR-Blocking for LRGB Imaging, Multilayer AR, 2.0 +/- 0.1mm thick

    Optec - Dichroic Luminance filter w/IR-Blocking for LRGB Imaging, Multilayer AR, 2.0 +/- 0.1mm thick

    Optec Luminance Filter w/ IR Blocking - 50mm Unmounted ... Learn More
    Model#: 17241
    $125.00

  15. Optec - Dichroic GREEN-IR filter for RGB Imaging, Multilayer AR coating, 2.0 +/- 0.1mm thick.

    Optec - Dichroic GREEN-IR filter for RGB Imaging, Multilayer AR coating, 2.0 +/- 0.1mm thick.

    Optec 50mm Dichroic Green-IR Filter ... Learn More
    Model#: 17247
    $135.00

  16. Optec - Dichroic BLUE-IR filter for RGB Imaging, Multilayer AR coating, 2.0 +/- 0.1mm thick.

    Optec - Dichroic BLUE-IR filter for RGB Imaging, Multilayer AR coating, 2.0 +/- 0.1mm thick.

    Optec - Dichroic BLUE-IR filter for RGB Imaging ... Learn More
    Model#: 17248
    $135.00

  17. Optec - Dichroic RED-IR filter for RGB Imaging, Multilayer AR coating, 2.0 +/- 0.1mm thick.

    Optec - Dichroic RED-IR filter for RGB Imaging, Multilayer AR coating, 2.0 +/- 0.1mm thick.

    Optec - Dichroic RED-IR filter for RGB Imaging ... Learn More
    Model#: 17246
    $135.00

  18. 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

  19. Optec - H-Alpha filter, 656.3 nm CW, 8±1.5 nm BW, Transmission > 85%, 2.0±0.1 mm thick.
  20. 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

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