TPO 2" Focal Reducer - 0.5X

TPO 2" Focal Reducer - 0.5X
Item # OS-FR2
9 Questions(s)

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  • The Third Planet Optics 2" 0.5X Focal Reducer will connect to 2" nosepieces for CCD cameras, as well as 2" threads on 2" camera adapters!
  • This 2" focal reducer will fit most 2" eyepieces for visual use.
  • A 2" thread inside the TPO 2" Focal Reducer will allow connection of most 2" filters.
  • Outside thread is M48 x 0.75.
  • For terms and conditions please examine the TPO Warranty page here.



Third Planet Optics 2" f/5 Focal Reducer

The TPO 2" f/5 Focal Reducer will help to lower the focal ratio of your optics. The outside thread connection of M48 x 0.75 will fit most 2" eyepieces for visual use, too! Now you can connect your CCD camera and any 2" threaded camera adapter, just by using the TPO 2" Focal Reducer. Guess what? It even allows the connection of most 2" filters, too!
Additional Information

Additional Information

Manufacturer TPO
Barrel Size 2"
Warranty 2 Year Warranty
Included Items

Included Items

  • TPO 2" Focal Reducer - 0.5X
Questions & Answers

Product Questions

Will this work well with the TPO 8" RC for imaging?
I have an AT6RC and an Orion G-3 color camera. Will this work or are there other Pt.#'s that will? I'd like to reduce this much if possible as F/9 is pretty tight on DSO's.Thank you!
Which CCD/CMOS diameter or diagonal diameter size this reducer fits?
Up to ... ?
Should the TPO focal reducer work well with the Orion ED80T CF Triplet Apochromatic Refractor Telescope?
Any Idea how small the image circle is with this reducer?
I just bought this reducer for my celestron 8sct
what do i need to connect to the back of the telescope for astrophotography(DSLR)?
What is the length from center of reducer lens to imaging focal point for exactly 0.5x magnification? I see some that are 79mm and such. Just trying to figure out spacers. thanks
Will this fit the back of a Celestron SCT (9.25" OTA, not an Edge)?
Will this reducer work with the TPO Newtonians?
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