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Paracorr II setting for lunar imaging?

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#1 JimP


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Posted 17 March 2013 - 02:16 PM

What setting do you recommend using on a Paracorr II for Lunar imaging with a Skynyx camera and the following setup?
20" F/3.3 Lockwood/Starmaster with 5x powermate only. No eyepiece. The Paracorr II would give an additional desireable 1.15x magnification (like an additional 1.15x Barlow).

#2 Starman1


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Posted 17 March 2013 - 05:59 PM

From the TeleVue site:
1) Back off set screw under flange (D) so you can unscrew lens assembly.
2) For use with DSLR cameras (APS size chips recommended, as full-size chips will show vignetting). Tele Vue Canon Wide-T Adapter CWT-2070, or Standard T-Ring Adapter TRG-1072 attaches directly to the Paracorr Type-2 flange.
3) For CCD cameras, use Tele Vue Imaging System accessory tubes with Tele Vue camera adapters, or A2A-1107 adapter for cameras with 2" nosepieces. Best back focus is approximately 55mm from flange face.

So you don't use the tunable top--you can't get the chip to the optimum 55mm distance using it unless the chip is right at the very front of the camera, which is unlikely.

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