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Filter Wheel Filters

Items 21 to 40 of 248 total

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  1. 17430

    Optec - Violet light rejection filter, mounted in 48mm threaded cell.

    Violet Light Rejection - Blocks the UV and violet light shorter than 420nm. Most refractor optics including apochromatic telescopes are not well corrected in the short wavelengths ... Learn More
    Model#: 17430
    $45.00

  2. Optec - Optec Deep Sky filter, mounted in 50mm bushing (46mm clear aperture), 4.0 +/- 0.1mm thick.
  3. Optec - Optec Deep Sky Filter, mounted in 48mm threaded cell.

    Optec - Optec Deep Sky Filter, mounted in 48mm threaded cell.

    Deep Sky - Blocks the UV, violet and sodium light completely. The filter passes the important nebulae emission features with +90% transmission ... Learn More
    Model#: 17266
    $75.00

  4. Optec - H-Alpha filter, 656.3 nm CW, 8±1.5 nm BW, Transmission > 85%, 2.0±0.1 mm thick.
  5. 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

  6. Optec - Bessell specification U filter for photometry, Multilayer A/R coated, 5mm thick.

    Optec - Bessell specification U filter for photometry, Multilayer A/R coated, 5mm thick.

    Optec - Bessell specification U filter ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: 17250
    $325.00

  7. 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

  8. 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

  9. 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

  10. 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

  11. Optec - Stromgren v (violet) filter for SSP-5 with R6358 or R6350 PMT

    Optec - Stromgren v (violet) filter for SSP-5 with R6358 or R6350 PMT

    Optec - Stromgren v (violet) filter ... Learn More
    Model#: 17046
    $99.00

  12. Optec - Stromgren u (ultra-violet) filter for SSP-5 with R6358 or R6350 PMT

    Optec - Stromgren u (ultra-violet) filter for SSP-5 with R6358 or R6350 PMT

    Optec - Stromgren u (ultra-violet) filter ... Learn More
    Model#: 17045
    $99.00

  13. FLI - Research Grade 50mm Diameter Luminance IR

    FLI - Research Grade 50mm Diameter Luminance IR

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    ...
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    (48 States)
    Model#: RG-50D-L
    $225.00

  14. FLI - Research Grade 50mm Diameter Hb 6nm

    FLI - Research Grade 50mm Diameter Hb 6nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    ...
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    (48 States)
    Model#: RG-50D-Hb
    $595.00

  15. FLI - Research Grade 50mm Diameter LRGB 7nm Ha

    FLI - Research Grade 50mm Diameter LRGB 7nm Ha

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-HA7
    $495.00

  16. FLI - Research Grade 50mm Diameter LRGB 4.5nm Ha

    FLI - Research Grade 50mm Diameter LRGB 4.5nm Ha

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-HA4
    $1,450.00

  17. FLI - Research Grade 50mm Diameter Ha 8nm

    FLI - Research Grade 50mm Diameter Ha 8nm

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

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    (48 States)
    Model#: RG-50D-Ha-8nm
    $495.00

  18. FLI - Research Grade 50mm Diameter Ha 4.5nm

    FLI - Research Grade 50mm Diameter Ha 4.5nm

    RG 50D Ha (4.5nm)FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 3mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_Ha_45
    $795.00

  19. FLI - Research Grade 50mm Square Hb 6nm

    FLI - Research Grade 50mm Square Hb 6nm

    RG 50S HbFLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: squareThickness: 3mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG-50S-Hb
    $695.00

  20. FLI - Research Grade 50mm Square LRGB 8nm Ha

    FLI - Research Grade 50mm Square LRGB 8nm Ha

    FLI high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. FLI offers a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG-50S-LRGB-Ha-8nm
    $1,695.00

Items 21 to 40 of 248 total

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