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  1. 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

  2. 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

  3. TO - R-G SOLAR FILM  8.5X11 Sheet

    TO - R-G SOLAR FILM 8.5X11 Sheet

    Designed with quality and cost in mind, our new R-G Solar Film provides a superior image of the sun at a very economical price. Unlike other brands of thin film solar filters, the R-G Solar Film provides a more pleasing and natural Yellow-Orange image of the sun our customers have come to know and love through our Glass Solar Filter product line.

    ...
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    Model#: RG85x11
    $30.00

  4. 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

  5. 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

  6. 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

  7. Celestron - Eyepiece Filter Set 2 - 1-1/4 " (#12, 25, 56, ND-25)

    Celestron - Eyepiece Filter Set 2 - 1-1/4 " (#12, 25, 56, ND-25)

    Kit includes: #12, #25, #56, ND-25 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 ... Learn More
    Model#: 94119-20

    Regular Price: $49.95

    Special Price: $31.95

  8. 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

  9. Celestron - Solar Filter for AstroMaster 76, PowerSeeker 76

    Celestron - Solar Filter for AstroMaster 76, PowerSeeker 76

    Celestron Solar Filters are made with Baader Astro Solar Safety Film. Far superior than any existing glass, Mylar or polymer filters, they lead to brighter, sharper, and higher contrast images.

    ...
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    Model#: 94227
    $33.95

  10. Celestron - Solar Filter (for Firstscope 76EQ)

    DISCONTINUED: Celestron - Solar Filter (for Firstscope 76EQ)

    This is a discontinued item. We recommend Thousand Oaks Optical R-G Film as a replacement.

    These filters are designed to work with our FirstScope 76. Celestron Solar Filters are made with Baader Astro Solar Safety Film.

    ...
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    Model#: 94133
  11. Celestron - Solar Filter for AstroMaster 70

    Celestron - Solar Filter for AstroMaster 70

    Celestron Solar Filters are made with Baader Astro Solar Safety Film. Far superior than any existing glass, Mylar or polymer filters, they lead to brighter, sharper, and higher contrast images

    ...
    Learn More
    Model#: 94226
    $33.95

  12. Celestron - Solar Filter for NexStar SLT 80

    Celestron - Solar Filter for NexStar SLT 80

    You can see detail in sunspots, bright faculae near the limb and the mottled areas known as granules with these filters. The Sun offers constant changes and will keep your observing interesting and fun. Even small aperture telescopes can enjoy features of the Sun.

    ...
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    Model#: 94233
    $33.99

  13. Celestron - Eyepiece Filter Set 1 - 1.25" (#21, 80A, 15, Polarizing)

    Celestron - Eyepiece Filter Set 1 - 1.25" (#21, 80A, 15, Polarizing)

    Kit includes: 21, 80A, #15, Polarizing filters

    Celestron 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. The cells of each filter are double-threaded, so they can be stacked (piggybacked) in various combinations.

    ...
    Learn More
    Model#: 94119-10
    $34.50

  14. Levenhuk - 127mm Solar Filter

    Levenhuk - 127mm Solar Filter

    Levenhuk solar filters are made using the special Baader Planetarium film of German make. With them, you can safely observe the Sun without having to worry about permanent eye damage. These filters fit ... Learn More
    Model#: 28085
    $34.95

  15. 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

  16. 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

  17. Lumicon - Filter # 80A Blue 2"

    Lumicon - Filter # 80A 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.

    ...
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    Model#: LF2070
    $35.95

  18. Lumicon - Filter Single Polarizer 1.25"

    Lumicon - Filter Single Polarizer 1.25"

    The LF1110, 1.25" Polarizing Filter, is the best all-purpose lunar and planetary filter.

    ...
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    Model#: LF1110

    Regular Price: $38.00

    Special Price: $35.95

  19. Lumicon - Filter # 23A Light Red 2"

    Lumicon - Filter # 23A Light 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. Double stacking filters may also improve lunar imaging

    ...
    Learn More
    Model#: LF2035
    $35.95

  20. Lumicon - Filter # 56 Green 2"

    Lumicon - Filter # 56 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#: LF2060
    $35.95

Items 41 to 60 of 951 total

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