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T1i > T-Ring > Barlow Lens (Lens replaced with LPR filter) > SCT Visual Back > Focal Reducer > rear cell of SCT

My only concern is with all this stuff added on, it could possibly introduce bad vignetting.... but I'm curious to try it out.

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Comment by Russ Ruggles on June 1, 2012 at 2:24pm

No doubt about it - bad vignetting. Way too long. Max space between the back of the FR glass and the face of the sensor should be 110mm. 105mm is perfect but hard to get.

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