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  1. Lumicon - Expansion Kit for 1.25" Multiple Filter Selector

    Lumicon - Expansion Kit for 1.25" Multiple Filter Selector

    The LF5030, Expansion Kit for 1.25in Multiple Filter Selector, includes an extra filter tray, an 8-32 ball plunger, and two (2) adjustable stops.

    ...
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    Model#: LF5030
    $38.95

  2. Celestron - Solar Filter (Firstscope 70EQ, 80AZ, 80EQ, NexStar 60, NexStar 80)

    Celestron - Solar Filter (Firstscope 70EQ, 80AZ, 80EQ, NexStar 60, NexStar 80)

    These filters are designed to work with our FirstScope 70 and FirstScope 80 telescope models. They also work with our NexStar 60 and NexStar 80 telescopes.

    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#: 94135
    $39.00

  3. Meade - #3200 Lunar & Planetary Color Filter Set

    Meade - #3200 Lunar & Planetary Color Filter Set

    Meade Series 4000 #3200 Lunar And Planetary Color Filter Set #07544. Meade Series 4000 Color Filters permit observation and photography of planetary surface detail that is often virtually invisible without filtration. ... Learn More
    Model#: 07544
    $39.00

  4. Vernonscope 1.25" Deep Yellow Filter - 66%

    Vernonscope - 1.25" Deep Yellow Filter - 66%

    The Vernonscope 1.25" Deep Yellow Filter 66% are great for enhancing the light and dark areas of Mars to view cloud features and surface features. Even the gas giants might show hints of blue cloud features on their surface.

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    Model#: VRN114FILT15
    $39.00

  5. Celestron - Solar Filter (for NexStar 4GT)

    Celestron - Solar Filter (for NexStar 4GT)

    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#: 94129
    $39.00

  6. Celestron - Eyepiece Filter Set 3 - 1-1/4 " (#23A, 38A, 58, ND-50)

    Celestron - Eyepiece Filter Set 3 - 1-1/4 " (#23A, 38A, 58, ND-50)

    Kit includes: #23A, #38A, #58, ND-50 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#: 94119-30

    Regular Price: $49.95

    Special Price: $39.95

  7. Orion - 1.25 " Variable Polarizing Telescope Filter

    Orion - 1.25 " Variable Polarizing Telescope Filter

    The Moon is one of the most enticing targets to view in the night sky. Thanks to its big, bright appearance and intriguing landscape features, the Moon is a favored sight by amateur astronomers all over the world.

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    Model#: 05560
    $39.95

  8.  Astronomik - Dark Filter - 1.25"

    Astronomik - Dark Filter - 1.25"

    Do you have a CCD camera without a mechanical shutter and would like to do dark frames without continually monitoring your equipment?

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    Model#: DARK-1
    $39.95

  9. Opticstar - 1.25" Infra-Red Cut-Off Imaging Filter

    Opticstar - 1.25" Infra-Red Cut-Off Imaging Filter

    For the use in CCD imaging this high-transmission filter will exclude any IR wavelengths beyond H-alpha showing a very steep desirable curve.

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    Model#: OSRIFIR

    Regular Price: $45.00

    Special Price: $42.75

  10. Lumicon - Filter Variable Polarizer 1.25"

    Lumicon - Filter Variable Polarizer 1.25"

    The LF1115, 1.25" Variable Polarizing Filter, is the all-phase lunar filter for large telescopes. Transmittance is continuously variable from 5% to 35%.

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    Model#: LF1115

    Regular Price: $61.00

    Special Price: $43.95

  11. Astronomik - MC Clear Multicoated Filter - 1.25" Round Mounted

    Astronomik - MC Clear Multicoated Filter - 1.25" Round Mounted

    This Multicoated (MC) glass serves as dust protector or to keep your system parfocal with other Astronomik filters.

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    Model#: C-1
    $44.95

  12. Optec - #8 Pale Yellow, mounted in 48mm threaded cell.

    Optec - #8 Pale Yellow, mounted in 48mm threaded cell.

    #8 Pale Yellow - Does a better job blocking the violet and UV at the expense of some blue. Recommended for monchromatic use when the most energy flux is to be passed ... Learn More
    Model#: 17431
    $45.00

  13. 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

  14. Baader Planetarium - Turbo Film 127 x 51 cm (uncoated base of Astro Solar)

    Baader Planetarium - Turbo Film 127 x 51 cm (uncoated base of Astro Solar)

    Baader TurboFilm is the highly transparent crystal clear film (not Mylar!) developed for scientific applications and used as the base material for the renowned Baader AstroSolar ... Learn More
    Model#: TURBO
    $47.00

  15. Opticstar 1.25" Light Pollution Filter

    Opticstar - 1.25" Light Pollution Filter

    This Opticstar Light Pollution Filter improve contrast for all types of telescopes; especially effective on the Moon and planets where they will show additional detail.

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    Model#: OSRLPF1

    Regular Price: $50.00

    Special Price: $47.50

  16. Lumicon - Filter Single Polarizer 2"

    Lumicon - Filter Single Polarizer 2"

    The LF2110, 2" Polarizing Filter, is the best all-purpose lunar and planetary filter. Cuts glare and increases contrast on the moon and planets ... Learn More
    Model#: LF2110

    Regular Price: $51.00

    Special Price: $47.95

  17. Celestron - Solar Filter (for C4-R, Firstscope 102AZ)

    DISCONTINUED: Celestron - Solar Filter (for C4-R, Firstscope 102AZ)

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

    These filters are designed to work with our Advanced Series C4-R and NexStar 102 telescope models. Celestron Solar Filters are made with Baader Astro Solar Safety Film

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    Model#: 94138
  18. Celestron - UV/IR Cut-off Filter - 1.25"

    DISCONTINUED: Celestron - UV/IR Cut-off Filter - 1.25"

    This is a discontinued item, we suggest the Baader Planetarium UV/IR Cut Filter as a replacement.

    The ultimate UV and Infrared blocker, featuring hard Ionbeam coatings, and fine optically polished glass! The ideal filter for NexImage and CCD imaging.

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    Model#: 94125
  19. Meade - SET #1 Color Filter Series 4000

    Meade - SET #1 Color Filter Series 4000

    # 12 Yellow (74% transmission): Contrasts strongly with blue-colored features on Jupiter and Saturn, while enhancing red and orange features ... Learn More
    Model#: 07530
    $49.00

  20. Meade - SET #3 Color Filter Series 4000

    Meade - SET #3 Color Filter Series 4000

    #8 Light Yellow (83% transmission): Useful in observing red and orange-colored phenomena in the belts of Jupiter and in enhancing the level of observable detail of small orange-red zonal features within the belts of the planet ... Learn More
    Model#: 07528
    $49.00

Items 81 to 100 of 943 total

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