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

Welcome!

1.25" Filters

Items 21 to 40 of 138 total

per page
Page:
  1. 2

Set Descending Direction
  1. 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

  2. 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

  3. DGM Optics - 1.25" VHT Filter

    DGM Optics - 1.25" VHT Filter

    The VHT is "mid-band" Nebula/LPR filter that is the perfect match for smaller scopes, or binoculars that can use filters. This filter provides a good balance between the NPB and GCE with regards to contrast vs. field background and star brightness.

    ...
    Learn More
    Model#: VHT 1.25
    $70.00

  4. iOptron - Green Moon Filter

    iOptron - Green Moon Filter

    A moon filter reduces irradiation, glare, and excess image brightness in lunar observing. It also improves the contrast between lunar albedo features.

    ...
    Learn More
    Model#: TFE100
    $14.00

  5.  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?

    ...
    Learn More
    Model#: DARK-1
    $39.95

  6. Levenhuk - 1.25" Ra CLS' Filter

    Levenhuk - 1.25" Ra CLS' Filter

    Levenhuk Ra CLS 1.25'' filter is capable of enhancing the contrast of observed nebulae and other deep-sky objects, which will be very useful for those who often stargaze in the city.

    ...
    Learn More
    Model#: 45130
    $59.95

  7. Levenhuk - 1.25" Ra H-Beta Filter

    Levenhuk - 1.25" Ra H-Beta Filter

    Levenhuk Ra H-Beta 1.25'' filter may be used for deep-sky observations of emission nebulae and other marvels. Apart from enhancing the contrast of observed objects, this filter suppresses up to 90% of light.

    ...
    Learn More
    Model#: 45129
    $97.95

  8. Levenhuk - 1.25" Ra O-III Filter

    Levenhuk - 1.25" Ra O-III Filter

    Levenhuk Ra O-III 1.25'' filter is a narrow-passband filter with a barrel diameter of 1.25'' that transmits wavelengths of the visible spectrum within 150 Å (15 nm) range.

    ...
    Learn More
    Model#: 45127
    $74.95

  9. Levenhuk - 1.25" Ra UHC Filter

    Levenhuk - 1.25" Ra UHC Filter

    This filter was designed for observations of dim and low-contrast deep-sky objects. The passband includes the Hβ wavelength (4861 Å) and the OIII doublet (4959 Å and 5007 Å).

    ...
    Learn More
    Model#: 45128
    $68.95

  10. Lumicon - 1.25" Lunar & Planetary Filter Set (Light)

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

    The Lumicon 1.25" Lunar & Planetary Filter Set (Light) contains the following filters: #8 Light Yellow, #11 Yellow-Green #21 Orange, #82A Light Blue

    ...
    Learn More
    Model#: LF5080
    $83.95

  11. 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

  12. 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

  13. 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

  14. Vernonscope 1.25" Violet Filter 1%

    Vernonscope - 1.25" Violet Filter - 1%

    The Vernonscope 1.25" Violet Filter (1%) is designed for increasing contrast when observing Venus and to detect cloud bands on Mars and Jupiter, further enhancing the dark and light colors of a planet's surface.

    ...
    Learn More
    Model#: VRN114FILT47
    $39.00

  15. Vernonscope 1.25" Light Green Filter - 56%

    Vernonscope - 1.25" Light Green Filter - 56%

    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#: VRN114FILT56
    $39.00

  16. Vernonscope 1.25" Green Filter 24%

    Vernonscope - 1.25" Green Filter - 24%

    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#: VRN114FILT58
    $39.00

  17. Astro Optic 1.25" O-III Filter

    AstroOptic - 1.25" O-III Filter

    Oxygen III or OIII filters are mainly designed for viewing planetary nebulae that normally have extremely narrow pass bands in the oxygen spectral lines

    ...
    Learn More
    Model#: Q1-OIII125-01

    Regular Price: $102.99

    Special Price: $79.99

  18. Astro Optic 1.25" CLS Filter

    AstroOptic - 1.25" CLS Filter

    Light pollution CLS Filters are designed to minimize the affects of light pollution by removing common nanometers and wavelengths found in artificial street lights in the city.

    ...
    Learn More
    Model#: Q1-CLS125-01

    Regular Price: $103.99

    Special Price: $79.95

  19. Orion 1.25" Orion Mars Observation Eyepiece Filter

    Orion - 1.25" Orion Mars Observation Eyepiece Filter

    The custom-designed Orion Mars Observation filter enhances contrast of virtually all surface features.

    ...
    Learn More
    Model#: 05599
    $49.99

  20. Orion 1.25" Luminance/IR Cutoff Astrophotography Filter

    Orion - 1.25" Luminance/IR Cutoff Astrophotography Filter

    ... Learn More
    Model#: 05564
    Orion Imaging Sale ends May 31st, 2015!

    Regular Price: $53.03

    Special Price: $47.73

Items 21 to 40 of 138 total

per page
Page:
  1. 2

Set Descending Direction