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

Welcome!

1.25" Filters

Items 1 to 20 of 132 total

per page
Page:
  1. 1

Set Ascending Direction
  1. Astrodon Photometric Sloan 1.25" Mounted Gen2 u' Edge-Blackened Filter

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

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

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

  2. Levenhuk - 1.25" Optical Filter #58 (Green)

    Levenhuk - 1.25" Optical Filter #58 (Green)

    Levenhuk 1.25" Optical Filter #58 (Green) has a barrel diameter of 1.25" and transmits up to 24% of visible light. With this filter, you can study the minutest details of celestial objects—such as ... Learn More
    Model#: 28087
    $19.95

  3. Levenhuk - 1.25" Optical Filter #25 (Red)

    Levenhuk - 1.25" Optical Filter #25 (Red)

    Levenhuk 1.25" Optical Filter #25 (Red) has a barrel diameter of 1.25" and transmits up to 14% of visible light. With this filter, you can study the minutest details of celestial objects—such as ... Learn More
    Model#: 28088
    $19.95

  4. Levenhuk - 1.25" Optical Filter #21 (Orange)

    Levenhuk - 1.25" Optical Filter #21 (Orange)

    Levenhuk 1.25" Optical Filter #21 (Orange) has a barrel diameter of 1.25" and transmits up to 56% of visible light. With this filter, you can study the minutest details of celestial objects—such as ... Learn More
    Model#: 28089
    $19.95

  5. Levenhuk - 1.25" Optical Filter #56 (Light Green)

    Levenhuk - 1.25" Optical Filter #56 (Light Green)

    Levenhuk optical filter #56 (light green) has a barrel diameter of 1.25" and transmits up to 53% of visible light. With this filter, you can study the minutest details of celestial objects—such as ... Learn More
    Model#: 28086
    $19.95

  6. Levenhuk - 1.25" Optical Filter #80A (Blue)

    Levenhuk - 1.25" Optical Filter #80A (Blue)

    Levenhuk 1.25" Optical Filter #80A (Blue) has a barrel diameter of 1.25" and transmits up to 30% of visible light. With this filter, you ... Learn More
    Model#: 28091
    $19.95

  7. Astrodon 1.25" dia. Unmounted R Filter

    Astrodon - Photometric UVBRIc - 1.25" Mounted Rc Edge Blackened Filter

    UVBRI filters have been the standard for photometric measurements for decades.  They have evolved over time as technology changed.  H. Johnson in the 1950s and A.W.J. Cousins in the 1970s designed these filters for photomultiplier tubes (PMT).

    ...
    Learn More
    Model#: Rc*-27R
    $200.00

  8. Baader Planetarium - U Filter (Venus and Ultraviolet) - 1.25"

    Baader Planetarium - U Filter (Venus and Ultraviolet) - 1.25"

    Another unique and pioneering filter from Baader Planetarium. For the first time, amateurs can now record cloud structures on Venus. The Baader Venus Filter enables amateurs to successfully image in the deep UV, a spectral region normally inaccessible

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: FUV-1
    $296.00

  9. Baader Planetarium Set of 5 Photometric UBVRI Filters 1.25" (4mm Glass Thickness, Optically Polished)
  10. Celestron LRGB Imaging Filter Set

    Celestron - LRGB Imaging Filter Set*

    Take color images of the night sky with your Skyris monochrome CCD camera, a simple filter wheel, and this four-piece LRGB filter set!

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: 95517
    $279.95

  11. IDAS Hutech Light Pollution Suppression Filter 1.25"

    IDAS - Hutech - Light Pollution Suppression Filter - 1.25"

    This light pollution filter suppresses artificial light emission lines while preserving the emission lines from nebulae, therefore enhancing the view and image.

    ...
    Learn More
    Model#: LPS-D1-28.6
    $179.00

  12. Vernonscope 1.25" Yellow Filter 74%

    Vernonscope - 1.25" Yellow Filter - 74%

    The 1.25" Yellow 74% filter from Vernonscope is excellent for viewing Mars because it furthers the contrast between the light and dark areas of the surface.

    ...
    Learn More
    Model#: VRN114FILT12
    $39.00

  13. 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.

    ...
    Learn More
    Model#: VRN114FILT15
    $39.00

  14. Vernonscope 1.25" Skylight Filter 86% trans

    Vernonscope - 1.25" Skylight Filter - 86% trans

    On the surface of the filter, there are numbers that correspond with Kodak Wratten filters and will fit Brandon Oculars and Dakin Barlows by Vernonscope.

    ...
    Learn More
    Model#: VRN114FILT1A
    $39.00

  15. Vernonscope 1.25" Orange Filter 46%

    Vernonscope - 1.25" Orange Filter - 46%

    The Vernonscope 1.25" Orange Filter 46% are great for enhancing the light and dark areas of Mars to view cloud features and surface features.

    ...
    Learn More
    Model#: VRN114FILT21
    $39.00

  16. Levenhuk - 1.25" Optical Filter #12 (Yellow)

    Levenhuk - 1.25" Optical Filter #12 (Yellow)

    Levenhuk 1.25" Optical Filter #12 (Yellow) has a barrel diameter of 1.25" and transmits up to 74% of visible light. With this filter, you can study celestial objects—such as ... Learn More
    Model#: 28090
    $19.95

  17. Opticstar 1.25" CRGbB Filter Set

    Opticstar - 1.25" CRGbB Filter Set

    These filters are positioned within a thin metal ring with a full 26mm clear aperture that threads into the barrel of any standard 1.25" eyepiece or filter wheel that can accept 1.25" filters.

    ...
    Learn More
    Model#: OSRCRGB

    Regular Price: $90.00

    Special Price: $85.50

  18. Lumicon - 1.25" Lunar & Planetary Filter Set (Dark)

    Lumicon - 1.25" Lunar & Planetary Filter Set (Dark)

    The Lumicon 1.25" Lunar & Planetary Filter Set (Light) contains the following filters: #12 Yellow, #25 Red, #47 Violet, #58 Green

    ...
    Learn More
    Model#: LF5085
    $83.95

  19. 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

  20. 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

Items 1 to 20 of 132 total

per page
Page:
  1. 1

Set Ascending Direction