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

Welcome!

Filters

Items 21 to 40 of 973 total

per page
Page:
  1. 2

Set Descending Direction
  1. IDAS - Hutech - 72mm LPS Filter

    IDAS - Hutech - 72mm LPS Filter

    ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: LPS-P2-72
    $299.00

  2. IDAS - Hutech - 52mm LPS Filter

    IDAS - Hutech - 52mm LPS Filter

    ... Learn More
    Model#: LPS-P2-52
    $189.00

  3. IDAS - Hutech - 48mm (2" eyepiece) LPS Filter

    IDAS - Hutech - 48mm (2" eyepiece) LPS Filter

    48mm (2'"' eyepiece) LPS filter

    ...
    Learn More
    Model#: LPS-P2-48
    $189.00

  4. IDAS - Hutech - 28.6mm (1-0.25" eyepiece) LPS filter (formerly part #LPS-P31.7)

    IDAS - Hutech - 28.6mm (1-0.25" eyepiece) LPS filter (formerly part #LPS-P31.7)

    Light pollution suppression (LPS) filters are designed to suppress the common emission lines generated by artificial lighting, yet allow the important nebula emission lines to pass, thus enhancing the contrast of astronomical objects, particularly emission nebulae.

    ...
    Learn More
    Model#: LPS-P2-28.6
    $179.00

  5. IDAS Hutech SCT Filter adapter w/48mm Nebula Filter II

    IDAS - Hutech - SCT Filter adapter w/48mm Nebula Filter II

    The IDAS LPS-V4 filter is designed to provide maximum contrast between key astronomical emission lines and a light polluted sky. These filters incorporate IDAS MBT, UFP, and IGAD technologies to insure undegraded and extremely durable optical performance.

    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: LPS-V4-48SCT
    $275.00

  6. IDAS - Hutech - 52mm Nebular Filter II

    IDAS - Hutech - 52mm Nebular Filter II

    The IDAS LPS-V4 filter is designed to provide maximum contrast between key astronomical emission lines and a light polluted sky. These filters incorporate IDAS MBT, UFP, and IGAD technologies to insure undegraded and extremely durable optical performance.

    ...
    Learn More
    Model#: LPS-V4-52
    $189.00

  7. IDAS - Hutech - 48mm Nebular Filter II

    IDAS - Hutech - 48mm Nebular Filter II

    The IDAS LPS-V4 filter is designed to provide maximum contrast between key astronomical emission lines and a light polluted sky. These filters incorporate IDAS MBT, UFP, and IGAD technologies to insure undegraded and extremely durable optical performance.

    ...
    Learn More
    Model#: LPS-V4-48
    $189.00

  8. IDAS Hutech 28.6mm Nebular Filter II

    IDAS - Hutech - 28.6mm Nebular Filter II

    ... Learn More
    Model#: LPS-V4-28.6
    $189.00

  9. IDAS Hutech 28.6mm Nebula Filter

    IDAS - Hutech - 28.6mm Nebula Filter

    "A chain is only as good as its weakest link." This well-known truth applies to many "chains", including the optical chain, which includes a telescope, eyepiece, and filter.

    ...
    Learn More
    Model#: LPS-V3-28.6
    $59.00

  10. Astrodon - 1.25" Gen 2 Parfocal UV Blocked Clear Filter

    Astrodon - 1.25" Gen 2 Parfocal UV Blocked Clear Filter

    Astrodon's new improvements of photometric Sloan filters generation 2 feature excellent out of band clocking and other edge-blackended compounds to reduce stray light reflections to assist in CCD imaging.

    ...
    Learn More
    Model#: C2-27R_gen2
    $140.00

  11. Astrodon - 50mm Gen 2 Unmounted Square Y Filter

    Astrodon - 50mm Gen 2 Unmounted Square Y 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#: Y2-50S
    $440.00

  12. 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

  13. Astrodon Photometric Sloan 50mm Unmounted Gen2 u' Edge Blackened Square Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 u' Edge Blackened Square 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#: u'2-50S
    $440.00

  14. Astrodon Photometric Sloan 50mm Unmounted Gen2 u' Edge Blackened Filter

    Astrodon - Photometric Sloan - 50mm Unmounted Gen2 u' 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#: u'2-50R
    $400.00

  15. 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

  16. TO - R-G SOLAR FILM  8.5X11 Sheet

    TO - R-G SOLAR FILM 8.5X11 Sheet

    Designed with quality and cost in mind, our new R-G Solar Film provides a superior image of the sun at a very economical price. Unlike other brands of thin film solar filters, the R-G Solar Film provides a more pleasing and natural Yellow-Orange image of the sun our customers have come to know and love through our Glass Solar Filter product line.

    ...
    Learn More
    Model#: RG85x11
    $30.00

  17. TO -  BLACK POLYMER   8.5X11 Sheet

    TO - BLACK POLYMER 8.5X11 Sheet

    A lower cost alternative where lower magnification is used such as with binoculars, camera filters, finder scopes and small telescopes. Stronger than Mylar with the filtering properties protected within the substrate. Solar image is yellow-orange. Also available in sheets. Guaranteed 5 years.

    ...
    Learn More
    Model#: BP85x11
    $30.00

  18. R-G Solar Film Thousand Oaks Optical Off-Axis

    TO - R-G Solar Film Off-Axis Fits: Meade DS-16 Telescope

    Thousand Oaks Optical - R-G Solar Film Off-Axis 152mm\6.00", Outer Cell 485mm\19.12"

    ...
    Learn More
    Model#: RG-19125A
    $129.00

  19. R-G Solar Film Thousand Oaks Optical Off-Axis

    TO - R-G Solar Film Off-Axis Fits: Meade 16 S/C

    Thousand Oaks Optical -  R-G Solar Film Off-Axis 152mm\6.00", Outer Cell 447mm\17.62"

    ...
    Learn More
    Model#: RG-17625A
    $119.00

  20. R-G Solar Film Thousand Oaks Optical Off-Axis

    TO - R-G Solar Film Off-Axis Fits: Coulter 13.1 Telescope

    Thousand Oaks Optical - R-G Solar Film Off-Axis 152mm\6.00", Outer Cell 432mm\17.00"

    ...
    Learn More
    Model#: RG-17000A
    $119.00

Items 21 to 40 of 973 total

per page
Page:
  1. 2

Set Descending Direction