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

Welcome!

Filters

Items 101 to 120 of 956 total

per page
Page:
  1. 6

Set Descending Direction
  1. 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.

    ...
    Learn More
    Model#: OSRIFIR

    Regular Price: $45.00

    Special Price: $42.75

  2. 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%.

    ...
    Learn More
    Model#: LF1115

    Regular Price: $61.00

    Special Price: $43.95

  3. 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.

    ...
    Learn More
    Model#: C-1
    $44.95

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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
  10. 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
  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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
  19. 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

  20. 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

Items 101 to 120 of 956 total

per page
Page:
  1. 6

Set Descending Direction