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

Welcome!

Filters by Size

Items 41 to 60 of 332 total

per page
Page:
  1. 3

Set Descending Direction
  1. Chroma filters

    Chroma Technology - 50mm LRGB Set - Unmounted

    Extremely durable coatings withstand humidity changes, extreme temperature fluxes and remain spectrally accurate in CWL and band pass adherence.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: CT-LRGB-50
    $875.00

  2. Astronomik - Planet IR Pro 742 Filter - 36mm Round Unmounted

    Astronomik - Planet IR Pro 742 Filter - 36mm Round Unmounted

    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#: P742-36
    $74.95

  3. TO - LP-1  Broadband (Black Cell)  2"

    TO - LP-1 Broadband (Black Cell) 2"

    Enhanced deep sky viewing with the latest in multi ... Learn More
    Model#: LP1-2
    $149.00

  4. Astrodon Photometric Sloan 1.25" Mounted Gen2 g' Edge Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 r' Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
    Learn More
    Model#: r'2-27R
    $200.00

  5. Astrodon Photometric Sloan 50mm Unmounted Gen2 r' Edge Blackened Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 r' Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: r'2-50R
    $400.00

  6. Astrodon - Photometric Sloan - 1.25" Mounted Gen2 i' Edge Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 i' Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
    Learn More
    Model#: i'2-27R
    $200.00

  7. Astrodon Photometric Sloan 50mm Unmounted Gen2 i' Edge Blackened Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 i' Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: i'2-50R
    $400.00

  8. Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z' Edge Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z' Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
    Learn More
    Model#: z'2-27R
    $200.00

  9. Astrodon Photometric Sloan 50mm Unmounted Gen2 z' Edge Blackened Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 z' Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: z'2-50R
    $400.00

  10. Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z_s Edge Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 z_s Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
    Learn More
    Model#: z_s2-27R
    $200.00

  11. Astrodon - 1.25" Gen 2 Mounted Y Filter

    Astrodon - 1.25" Gen 2 Mounted Y Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
    Learn More
    Model#: Y2-27R
    $200.00

  12. Astrodon Photometric Sloan 50mm Unmounted Gen2 g' Edge Blackened Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 g' Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: g'2-50R
    $400.00

  13. Astrodon Photometric Sloan 1.25" Mounted Gen2 g' Edge Blackened Filter

    Astrodon - Photometric Sloan - 1.25" Mounted Gen2 g' Edge Blackened Filter

    NEW!  Astrodon introduces Generation 2 Sloan filters based upon ongoing input from research organizations.  The changes include

    ...
    Learn More
    Model#: g'2-27R
    $200.00

  14. TO - LP-2  Narrowband (Blue Cell)  1.25"

    TO - LP-2 Narrowband (Blue Cell) 1.25"

    Thousand Oaks Optical LP-2 Narrowband (Blue Cell) 1.25" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP2-1.25
    $89.00

  15. TO - LP-2  Narrowband (Blue Cell)  2"

    TO - LP-2 Narrowband (Blue Cell) 2"

    LP-2 Narrowband (Blue Cell) 2" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP2-2
    $179.00

  16. TO LP-3 OIII (Green Cell) 1.25"

    TO - LP-3 OIII (Green Cell) 1.25"

    ... Learn More
    Model#: LP3-1.25
    $89.00

  17. TO - LP-3  OIII (Green Cell)  2"

    TO - LP-3 OIII (Green Cell) 2"

    ... Learn More
    Model#: LP3-2
    $179.00

  18. TO - LP-4  H-Beta (Red Cell)  1.25"

    TO - LP-4 H-Beta (Red Cell) 1.25"

    Thousand Oaks Optical LP-4 H-Beta (Red Cell) 1.25" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP4-1.25
    $89.00

  19. TO - LP-4  H-Beta (Red Cell)  2"

    TO - LP-4 H-Beta (Red Cell) 2"

    LP-4 H-Beta (Red Cell) 2" FilterEnhance your deep sky viewing with the latest in multi-layer coating technology. Thousand Oaks filters transmit desired wave-lengths in a very steep slope rather than ... Learn More
    Model#: LP4-2
    $179.00

  20. Vixen - Moon Filter 1.25"

    Vixen - Moon Filter 1.25"

    While looking at the reflect light off the Moon can not physically harm the observer, the intensity can be very bright. By adding this filter into the optical path, the observer can relax and enjoy the many fascinating features found on our Moon.

    ...
    Learn More
    Model#: 3702
    $35.95

Items 41 to 60 of 332 total

per page
Page:
  1. 3

Set Descending Direction