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| 2012-02-11 | Pawel Lancucki |
This is crop from the previous frame @ 100%.
On closer inspection one can see that stars do show some very slight elongation - probably due too much stress in the flattener optics. After this session, I have found that the retaining ring is very tight, and after some experiments loosened it a bit.
(c) Pawel Lancucki can be used only for non commercial purposes