Happily Serving You in the Same Location for Over 58 Years!

Welcome!

Filters

Items 41 to 60 of 907 total

per page
Page:
  1. 3

Set Descending Direction
  1. 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

  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 - #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

  4. TO -  BLACK POLYMER   8.5X11 Sheet

    TO - BLACK POLYMER 8.5X11 Sheet

    A lower cost alternative where lower magnification is used such as with binoculars, camera filters, finder scopes and small telescopes. Stronger than Mylar with the filtering properties protected within the substrate. Solar image is yellow-orange. Also available in sheets. Guaranteed 5 years.

    ...
    Learn More
    Model#: BP85x11
    $30.00

  5. 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

  6. 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.

    ...
    Learn More
    Model#: 94119-40

    Regular Price: $49.95

    Special Price: $31.95

  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 - 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

  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.

    ...
    Learn More
    Model#: 94227
    $33.95

  10. 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.

    ...
    Learn More
    Model#: 94233
    $33.99

  11. 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

  12. 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

  13. Lumicon - Filter # 8 Light Yellow 2"

    Lumicon - Filter # 8 Light Yellow 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#: LF2010
    $35.95

  14. Lumicon - Filter # 15 Dark Yellow 2"

    Lumicon - Filter # 15 Dark Yellow 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#: LF2025
    $35.95

  15. Lumicon - Filter # 38A Dark Blue 2"

    Lumicon - Filter # 38A Dark 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#: LF2050
    $35.95

  16. 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

  17. 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

  18. 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

    ...
    Learn More
    Model#: LF2065
    $35.95

  19. 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%

    ...
    Learn More
    Model#: LF2090
    $35.95

  20. 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

Items 41 to 60 of 907 total

per page
Page:
  1. 3

Set Descending Direction