GSO 2" Coma Corrector

  • GSO 2" Coma Corrector for fast Newtonian Telescopes
  • Reduce coma and field curvature
  • For Both Visual And Imaging Usage
  • Design optimized for use at f/4.5
  • Weight: 500g

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Product description

Newtonian Telescope Are Among The Best Imaging And Visual Telescope For Price, Providing Large Aperature And Fast Focal Ratio. Newtonian Enherit A Optical Distortion Called As Coma, Where Stars At Corner Appears Not Round But Bloated Like A Tadpole Shape. GSO Has Come With A Newly Designed Coma Corrector That Will Provide A Flat Field Image When Use On A Newtonian Telescope That Works From Range Of F/3-F/6. The Large 2'' Corrector Will Provide Widest Field Of Illumination For Even Full Frame DSLR Without Vignetting

The GSO 2'' Coma Corrector Will Significantly Enhance Your Visual Experience As Well, Providing Coma Free View With Sharp Pin Point Stars. Build With Best Optical Technology And Finishing

  • 2" nosepiece features recessed safety groove and is threaded to accept standard 2" filters
  • 2" eyepiece barrel features brass compression ring and dual large thumbscrews
  • 3-piece modular design (i) Optics in 2" nosepiece with 48mm male filter thread (ii) 2' eyepiece barrel that attaches to optical nosepiece, and (iii) M48 - T2 adapter ring
  • Back-focus spacing requirement is approx. 70mm from the shoulder of the 2" nosepiece to the image plane

For visual use: connect the 2" eyepiece barrel to the main optical nosepiece (as shown in photo 1 above)

For photo use: unscrew the 2" eyepiece barrel and attach the included M48-T2 ring to the main optical nosepiece (as shown in photo 3 above). Then attach your D/SLR camera to the male T2 thread via a camera-specific T-ring (not included)


  • Fully Multi-Coated Optic
  • 4 elements - 2 lens groups
  • 50mm (2'') Barrel Fit
  • 43.9mm Clear Aperature
  • 4 Element In 2 Groups Design Corrector
  • Magnification Factor 1.1x
  • Design optimized for use at f/4.5 but will work well from f/3 - f/6
  • Internal Edge Darkened
Card Code8001510588

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