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The Constellation Orion with S-Orthoplanar 60mmF4, Dec. 2009

A test shot with Zeiss S-Orthoplanar 60mmF4, one of the best optics for enlarging and macro imaging. It made small and round image of stars at infinity all over the frame at F5.6, though it showed conspicuous flare ghost near corners at full open aperture.


equipment: Zeiss S-Orthoplanar 60mmF4 at F5.6, special adapter for EOS mount, and EOS 5Dmk2-sp2 by Seo san at ISO 6,400 on EM-200 temma 2Jr, autoguided with FSQ-106ED, Starlight Xpress Lodestar, and PHD guiding.

exposure: 6 times x 7 minutes, 5 x 4 min, 4 x 2 min, and 6 x 1 minute, 76 minutes in total

location: a dark site at 4,000 feet above sea level in Nagano, 70 miles from Tokyo.


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Taken on December 17, 2009