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Equipment Discussions >> Eyepieces

Pages: 1

Reged: 04/22/03

Loc: South Carolina
Paracorr II setting for lunar imaging? new
      #5738872 - 03/17/13 03:16 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).

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Reged: 06/24/03

Loc: Los Angeles
Re: Paracorr II setting for lunar imaging? [Re: JimP]
      #5739415 - 03/17/13 06:59 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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