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Equipment Discussions >> Refractors

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BBillyC
journeyman


Reged: 10/18/11

Loc: Winnipeg, Manitoba
Nubee to refractors question new
      #5661051 - 02/04/13 01:32 AM

I have a TMB 130 Refractor. I have a WO Field flattener and a separate 2.7" AP telecompressor (focal reducer). I can attach the focal reducer to the back of the WO/FF, but would that be better optically or should they be used separately for different purposes. Thanks Bill

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Jon Isaacs
Postmaster
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Reged: 06/16/04

Loc: San Diego and Boulevard, CA
Re: Nubee to refractors question [Re: BBillyC]
      #5661137 - 02/04/13 04:55 AM

Quote:

I have a TMB 130 Refractor. I have a WO Field flattener and a separate 2.7" AP telecompressor (focal reducer). I can attach the focal reducer to the back of the WO/FF, but would that be better optically or should they be used separately for different purposes. Thanks Bill




Bill:

Looking at the A-P website, at least some of the Telecompressors are also field flatteners, I think you only want to have one field flattener in the optical path.

Jon


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