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  1. 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

  2. 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

  3. 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.

    ...
    Learn More
    Model#: OSRLPF1

    Regular Price: $50.00

    Special Price: $47.50

  4. 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

  5. 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

    ...
    Learn More
    Model#: 94138
  6. 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.

    ...
    Learn More
    Model#: 94125
  7. 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

  8. RG Solar Film Thousand Oaks Optical

    TO - R-G Solar Film Full Aperture Fits: Cameras, Finders

    This RG Solar Film filter from Thousand Oaks Optical is designed to fit any optical tube with with an outside diameter slightly smaller than 50mm. This includes most Cameras and Finder scopes.

    ...
    Learn More
    Model#: RG-2000
    $49.00

  9. Meade - #905 Variable Polarizing Filter Series 4000

    Meade - #905 Variable Polarizing Filter Series 4000

    For glare reduction in observing the Moon ... Learn More
    Model#: 07286
    $49.00

  10. Meade - SET #2 Color Filter Series 4000

    Meade - SET #2 Color Filter Series 4000

    #11 Yellow-Green (78% transmission): Contrasts well with the red and blue characteristics of surface features on Jupiter and Saturn. Darkens the maria visible on Mars, and clarifies the Cassini division in Saturns rings ... Learn More
    Model#: 07529
    $49.00

  11. RG Solar Film Thousand Oaks Optical

    TO - R-G Solar Film Full Aperture Fits: Cameras, Finders

    R-G Solar Film by Thousand Oaks Optical Full Aperture 40mm\1.75", Outer Cell 60mm\2.32. ... Learn More
    Model#: RG-2325
    $49.00

  12. TO - Full Aperture R-G Solar Film Filters

    TO - Full Aperture R-G Solar Film Filters

    The R-G Solar film by Thousand Oaks Optical now brings superior solar imaging to the amateur astronomer. The question may come up as to why? R-G Solar Film emphasizes more on the natural yellow and orange colors of the Sun which is what makes the viewing so extraordinary. Last but not least, R-G Solar Film offers high resolution even at high magnification!

    ...
    Learn More
    Model#: RG Full Aperture

    Starting at: $49.00

  13. 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

  14. Celestron - Solar Filter for AstroMaster 90

    DISCONTINUED: Celestron - Solar Filter for AstroMaster 90

    This is a discontinued item. We recommend Thousand R-G Solar Film Filters.

    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#: 94228
  15. Astronomik - Dark Filter - 2"

    Astronomik - Dark Filter - 2"

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

    ...
    Learn More
    Model#: DARK-2
    $49.95

  16. Lumicon - Filter Variable Polarizer 2"

    Lumicon - Filter Variable Polarizer 2"

    The LF2115, 2" Variable Polarizing Filter, is the all-phase lunar filter for large telescopes. Transmittance is continuously variable from about 5% to 35%. Fits 2" eyepieces.

    ...
    Learn More
    Model#: LF2115

    Regular Price: $62.95

    Special Price: $49.95

  17. Vixen - Sun Projection Screen 100

    DISCONTINUED: Vixen - Sun Projection Screen 100

    ** Caution Never Look Directly at the Sun **The Sun projection screen allows users to attach the screen to the focuser of their telescope and project the Suns image onto the white metal board ... Learn More
    Model#: VIXEN-3594
  18. Astronomik - Planet IR Pro 742 Filter - 1.25" Round Mounted

    Astronomik - Planet IR Pro 742 Filter - 1.25" Round Mounted

    The Astronomik ProPlanet 742 is the ideal filters for the reception of the moon and planets, notably Mars, with telescopes from 6" (150mm) aperture.

    ...
    Learn More
    Model#: P742-1
    $49.95

  19. Celestron Solar Filter for the Nexstar SLT 102 Telescope

    DISCONTINUED: Celestron - Solar Filter for the Nexstar SLT 102 Telescope(s)

    This is a discontinued item. We recommend R-G Solar Film from Thousand Oaks Optical.

    • Gives True Color to the Sun
    • Minimizes Atmospheric Diffraction
    • Superior to Traditional Glass Filters
    • Won't Shatter
    ...
    Learn More
    Model#: 94234
  20. Astronomik - Planet IR Pro 807 Filter - 1.25" Round Mounted

    Astronomik - Planet IR Pro 807 Filter - 1.25" Round Mounted

    The Astronomik ProPlanet 807 filter is a deal addition to the Astronomik  ProPlanet 742 for imaging the moon and planets, with telescopes larger  then 10" (250mm) when the seeing is poor.

    ...
    Learn More
    Model#: P807-1
    $49.95

Items 101 to 120 of 951 total

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