TPO 2" Coma Corrector

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  • $104.36
  • Regular price $115.95

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Accessories Added

  • For f/4 or Slower Newtonian Telescopes
  • For Cameras w/ M48x0.75 male Threads
  • Back Focus: 70mm
  • Size: 2 inch


TPO 2" Coma Corrector

Place this TPO 2 inch Coma Corrector completely inside a 2 inch focuser for a high grade of correction with a low degree of vignetting. Connects f/4 or slower Newtonian telescopes with a 2 inch barrel and 2 inch female filter threads to cameras with M48x0.75 male threads, providing better field illumination and sharpness than with a T2 corrector. Features an ample back focus of 70mm, allowing for the use of off-axis guiders. Includes M48 to T2 adapter.


TPO Product Number: CC2


Accessory TypeComa Corrector
Adapter TypeM48 to T2
Back Focus Distance70mm
Barrel Size2"
Free ShippingYes
Thumb ScrewsIncludes Two
Warranty2 Year Warranty


Ask a Question
  • is this corrector the same one a Astro-tech and GSO designed by Roger Ceragioli?

    Hello and thanks for your question. This corrector is the same as is available for similar telescopes.

  • The description makes it seem this corrector is geared for photography; can it also be used visually with large eyepieces like the Explorer Scientific 30mm 82-degree EP?

    Yes, it comes with a 2" receiver for eyepieces and corrects coma very well with a 1.1x effective magnification.

  • Is a spacer needed with this corrector for use with a Canon 450D?

    Yes, the optimum backfocus for using this coma corrector fo astrophotography is 70mm. I would recommend getting a wide t-ring with m48 threads. This way you can connect the comma corrector to the wide t-ring with a 10mm and 5mm m48 spacer. The t-ring wi