Accessories

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  1. Optolong - LRGB CCD Filter Set - 50mm Square Unmounted

    $560.00
    SKU: OPO-LRGB-50SQ

    Wait Time is 3-5 Days

    The Optolong LRGB Filter Set includes four 50mm square unmounted imaging filters, including Red, Green, Blue, and Luminance.

    FREE SHIPPING(48 States)
  2. Optolong - 25nm OIII Filter - 2" Mounted

    $108.00
    SKU: OPO-OIII-200

    Wait Time is 3-5 Days

    This Optolong OIII filter has a FWHM of 25nm, making it a good fit for visual observations of most emission and planetary nebulae as well as supernova remnants with a telescope of a minimum of 6-8".

  3. Optolong - SII CCD 6.5nm Filter - 36mm Unmounted

    $199.00
    SKU: OPO-SIICCD65-36U

    Wait Time is 3-5 Days

    The Optolong Sulfur II 6.5nm Extra Narrowband Filter transmits a 6.5nm bandwidth of light that is centered at 672nm and radically decreases other transmissions, including wavelengths of light that are responsible for light pollution (both artificial and natural).

  4. Optolong - IR Pass 685nm Filter - 1.25" Mounted

    $79.00
    SKU: OPO-IRPS685-125

    Wait Time is 3-5 Days

    The Optolong IR Pass 685nm Filter blocks out wavelengths lower than 670nm to increase contrast and surface detail and reduce the effects of seeing when utilized as a part of IR-LRGB imaging of the moon and planets.

  5. Optolong - OIII CCD 6.5nm Filter - 36mm Unmounted

    $195.00
    SKU: OPO-OIIICCD65-36U

    Wait Time is 3-5 Days

    The Optolong Oxygen III 6.5nm Extra Narrowband Filter transmits a 6.5nm bandwidth of light that is focused at 500nm and radically decreases other transmissions, including wavelengths of light that are responsible for light pollution (both artificial and natural).

  6. Optolong - L-Pro Filter - Nikon D7000/D7100 Clip

    $265.00
    SKU: OPO-NIKD7-LPRO

    Wait Time is 3-5 Days

    The L-Pro filter from Optolong is a multi-bandpass filter that performs numerous assignments when imaging with your Nikon D7000 or D7100 DSLR camera.

    FREE SHIPPING(48 States)
  7. Optolong - CLS Filter - EOS APS C Clip

    $95.00
    SKU: OPO-EOSAPS-CLS

    Wait Time is 3-5 Days

    The Optolong CLS filter is ideal for both visual and photographic applications in regions that experience the effects of artificial light pollution. Since the City Light Suppression Filter has a wider pass-band than the famous UHC, or Ultra High Contrast filter, numerous beginner stargazers favor using it when seeing in mild to moderate light pollution.

  8. Optolong - H-Beta 12nm Filter - 2" Mounted

    $179.00
    SKU: OPO-HBTA12-200

    Wait Time is 3-5 Days

    The Optolong H-Beta 12nm Filter permits you to visually see the ever-prevalent yet subtle Horsehead Nebula with vast opening telescopes under dim skies, and can likewise be utilized to picture the Horsehead and other nebulae radiate light at 486nm, such as but not limited to, the California and Cocoon nebulae.

  9. Optolong - Clear Focusing Filter - 1.25" Mounted

    $24.00
    SKU: OPO-CFF-125

    Wait Time is 3-5 Days

    With a 98.5% transmission of the visible spectrum region of 420-680nm, the Optolong Clear Focusing Filter can be utilized to effortlessly focus your photographic goal before imaging.

  10. Optolong - OIII 25nm Filter - 1.25" Mounted

    $78.00
    SKU: OPO-OIII-125

    In stock

    This Optolong OIII filter has a FWHM of 25nm, making it a good fit for visual observations of most emission and planetary nebulae as well as supernova remnants with a telescope of a minimum of 6-8".

  11. Optolong - UHC Filter - Nikon D7000/D7100 Clip

    $109.00
    SKU: OPO-NIKD7-UHC

    Wait Time is 3-5 Days

    This UHC, or Ultra High Contrast, filter from Optolong gives more contrast than the CLS filter, but works similarly. By decreasing the contrast-killing effects of light pollution brought on by both artificial and natural sources, the background sky becomes darker, increasing the visibility of your favorite deep-sky objects.

  12. Optolong - OWB Original White Balance Filter - EOS Full Frame Clip

    $95.00
    SKU: OPO-EOSFF-OWB

    Wait Time is 3-5 Days

    If you have a Canon EOSFF-OWB camera that has been changed for astronomical use, this clip-in Optolong OWB filter will make the camera suitable for terrestrial observation and imaging again. Clip the filter in to convert the camera.

  13. Optolong - Moon SkyGlow Filter - 1.25" Mounted

    $49.00
    SKU: OPO-MSG-125

    Wait Time is 3-5 Days

    The Optolong Moon and Skyglow Filter is ideal for both visual and photographic usage. You'll see a darker background sky because of the obstruction of natural skyglow at 589nm wavelength and in emission from lights that cause artificial light pollution.

  14. Optolong - SII CCD 6.5nm Filter - 50mm Unmounted

    $269.00
    SKU: OPO-SIICCD65-50U

    Wait Time is 3-5 Days

    The Optolong Sulfur II 6.5nm Extra Narrowband Filter transmits a 6.5nm bandwidth of light that is centered at 672nm and radically decreases other transmissions, including wavelengths of light that are responsible for light pollution (both artificial and natural).

    FREE SHIPPING(48 States)
  15. Optolong - Neutral Density ND3 Filter - 2" Mounted

    $79.00
    SKU: OPO-ND3-200

    Wait Time is 3-5 Days

    The Optolong ND-3.0 Neutral Density Filter can be utilized with a solar wedge or on an eyepiece to decrease the overall brightness of a celestial object without modifying color balance.

  16. Optolong - IR Pass 685nm Filter - 2" Mounted

    $119.00
    SKU: OPO-IRPS685-200

    Wait Time is 3-5 Days

    The Optolong IR Pass 685nm Filter blocks out wavelengths lower than 670nm to increase contrast and surface detail and reduce the effects of seeing when utilized as a part of IR-LRGB imaging of the moon and planets.

  17. Optolong - OIII CCD 12nm Filter - 50mm Unmounted

    $189.00
    SKU: OPO-OIIICCD12NM-50U

    Wait Time is 3-5 Days

  18. Optolong - Moon SkyGlow Filter - 2" Mounted

    $70.00
    SKU: OPO-MSG-200

    Wait Time is 3-5 Days

    The Optolong Moon and Skyglow Filter is ideal for both visual and photographic usage. You'll see a darker background sky because of the obstruction of natural skyglow at 589nm wavelength and in emission from lights that cause artificial light pollution.

  19. Optolong - OIII CCD 6.5nm Filter - 50mm Square Unmounted

    $299.00
    SKU: OPO-OIIICCD65-50SQ

    Wait Time is 3-5 Days

    FREE SHIPPING(48 States)
  20. Optolong - UHC Filter - 2" Mounted

    $85.00
    SKU: OPO-UHC-200

    Wait Time is 3-5 Days

    This UHC, or Ultra High Contrast, filter from Optolong gives more contrast than the CLS filter, but works similarly. By decreasing the contrast-killing effects of light pollution brought on by both artificial and natural sources, the background sky becomes darker, increasing the visibility of your favorite deep-sky objects.

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