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  1. Lumicon - Filter # 23A Light Red 1.25"

    Lumicon - Filter # 23A Light Red 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1035
    $23.95

  2. Lumicon - Filter # 82A Light Blue 1.25"

    Lumicon - Filter # 82A Light Blue 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail

    ...
    Learn More
    Model#: LF1075
    $23.95

  3. Lumicon - Filter # 56 Green 1.25"

    Lumicon - Filter # 56 Green 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1060
    $23.95

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. Celestron - Eyepiece Filter Set 4 - 1-1.25" (#8,15,47,82A)

    Celestron - Eyepiece Filter Set 4 - 1-1.25" (#8,15,47,82A)

    Kit includes: #8, #47, #82A, ND-13 filtersCelestron color filters are mounted in black anodized aluminum cells with the Kodak Wratten Series Number individually engraved, and come available in 4 assorted kits packed in plastic cases.

    ...
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    Model#: 94119-40

    Regular Price: $49.95

    Special Price: $31.95

  10. Lumicon - Filter # 82A Light Blue 2"

    Lumicon - Filter # 82A Light Blue 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

    ...
    Learn More
    Model#: LF2075
    $35.95

  11. Lumicon - Filter # 11 Yellow-Green 2"

    Lumicon - Filter # 11 Yellow-Green 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail

    ...
    Learn More
    Model#: LF2015
    $35.95

  12. Lumicon - Filter # 25 Red 2"

    Lumicon - Filter # 25 Red 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

    ...
    Learn More
    Model#: LF2040
    $35.95

  13. Lumicon - Filter # 58 Dark Green 2"

    Lumicon - Filter # 58 Dark Green 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings

    ...
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    Model#: LF2065
    $35.95

  14. Lumicon - Filter Neutral Density 50 2"

    Lumicon - Filter Neutral Density 50 2"

    The LF2090, 2" Neutral Density 50 Filter (ND50), transmits 50% of all incident light, while blocking 50%

    ...
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    Model#: LF2090
    $35.95

  15. Lumicon - Filter # 21 Orange 2"

    Lumicon - Filter # 21 Orange 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

    ...
    Learn More
    Model#: LF2030
    $35.95

  16. Lumicon - Filter # 47 Violet 2"

    Lumicon - Filter # 47 Violet 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

    ...
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    Model#: LF2055
    $35.95

  17. Lumicon - Filter Neutral Density 13 2"

    Lumicon - Filter Neutral Density 13 2"

    The LF2080, 2" Neutral Density 13 (ND13), transmits 13% of all incident light, while blocking 87%.

    ...
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    Model#: LF2080

    Regular Price: $46.00

    Special Price: $35.95

  18. Vixen - Moon Filter 1.25"

    Vixen - Moon Filter 1.25"

    While looking at the reflect light off the Moon can not physically harm the observer, the intensity can be very bright. By adding this filter into the optical path, the observer can relax and enjoy the many fascinating features found on our Moon.

    ...
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    Model#: 3702
    $35.95

  19. Lumicon - Filter # 12 Yellow 2"

    Lumicon - Filter # 12 Yellow 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides

    ...
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    Model#: LF2020
    $35.95

  20. Lumicon - Filter # 29 Dark Red 2"

    Lumicon - Filter # 29 Dark Red 2"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

    ...
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    Model#: LF2045
    $35.95

Items 21 to 40 of 287 total

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