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50mm Filters

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  1. 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

  2. Chroma filters

    Chroma Technology - Blue 50mm x 50mm Diameter Filter - Square

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: Blue-50S
    $285.00

  3. Chroma filters

    Chroma Technology - Red 50mm x 50mm Diameter Filter - Square

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    ...
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    (48 States)
    Model#: Red-50S
    $285.00

  4. Chroma Technology - Green 50mm x 50mm Diameter Filter - Square

    Chroma Technology - Green 50mm x 50mm Diameter Filter - Square

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    ...
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    (48 States)
    Model#: Green-50S
    $285.00

  5. Chroma Technology - Luminance 50mm x 50mm Diameter Filter - Square

    Chroma Technology - Luminance 50mm x 50mm Diameter Filter - Square

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: Lum-50S
    $285.00

  6. Chroma filters

    Chroma Technology - Blue 50mm Diameter Filter - Unmounted

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

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    (48 States)
    Model#: Blue-50
    $230.00

  7. Chroma Technology - Green 50mm Diameter Filter - Unmounted

    Chroma Technology - Green 50mm Diameter Filter - Unmounted

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: Green-50
    $230.00

  8. Chroma filters

    Chroma Technology - Red 50mm Diameter Filter - Unmounted

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: Red-50
    $230.00

  9. 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

  10. Optec - #29 Deep Red, mounted in 48mm threaded cell.

    Optec - #29 Deep Red, mounted in 48mm threaded cell.

    #29 Deep Red - Passes light longer that 610 nm. This filter is a little more effective than the #23A in dakening the sky ... Learn More
    Model#: 17437
    $45.00

  11. Chroma filters

    Chroma Technology - Luminance 50mm Diameter Filter - Unmounted

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: Lum-50
    $230.00

  12. IDAS - Hutech - 50mm Unmounted LPS Filter

    IDAS - Hutech - 50mm Unmounted LPS Filter

    Light pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae.

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    Model#: LPS-P2-50
    $189.00

  13. Baader Planetarium - H-Alpha 35nm CCD Filter, 50.4 x 3mm Round

    Baader Planetarium - H-Alpha 35nm CCD Filter, 50.4 x 3mm Round

    Baader's new H-Alpha passfilter enables high-contrast deep sky images of H-II regions (such as the N. American Nebula).

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    (48 States)
    Model#: FHAL-RD50
    $214.00

  14. Baader Planetarium - H-Alpha 35nm CCD Filter 50x50 x 3mm Square

    Baader Planetarium - H-Alpha 35nm CCD Filter 50x50 x 3mm Square

    Baader's new H-Alpha passfilter enables high-contrast deep sky images of H-II regions (such as the N. American Nebula).

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    (48 States)
    Model#: FHAL-SQ50
    $264.00

  15. Baader Planetarium - UHC-S Nebula Filter 50.4mm Round, L-Booster

    Baader Planetarium - UHC-S Nebula Filter 50.4mm Round, L-Booster

    The Baader Planetarium UHC-S Nebula filter excels at delivering a high-contrast and natural view of emission nebula - without excessive dimming and loss of background star fields.

    ...
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    Model#: FUHC-RD50
    $184.00

  16. Custom Scientific "B" Standard Grade Blue Filter 50mm Round Unmounted

    Custom Scientific - "B" Standard Grade Blue Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

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    (48 States)
    Model#: CU-50B
    $295.00

  17. Custom Scientific - "I" Standard Grade IR Filter - 50mm Round Unmounted

    Custom Scientific - "I" Standard Grade IR Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

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    (48 States)
    Model#: CU-50I
    $295.00

  18. Custom Scientific "V" Standard Grade Filter 50mm Round Unmounted

    Custom Scientific - "V" Standard Grade Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

    ...
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    (48 States)
    Model#: CU-50V
    $295.00

  19. Custom Scientific "R" Standard Grade Red Filter 50mm Round Unmounted

    Custom Scientific - "R" Standard Grade Red Filter - 50mm Round Unmounted

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: CU-50R
    $295.00

  20. Custom Scientific "U" Standard Grade Filter 50mm Round Unmountable

    Custom Scientific - "U" Standard Grade Filter - 50mm Round Unmountable

    With over 20 years in the business, Custom Scientific UBVRI filters are popular photometric tools that have built in Infrared blocking for more efficient and higher quality CCD imaging.

    ...
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    FREE SHIPPING
    (48 States)
    Model#: CU-50U
    $295.00

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