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John Ewing | all galleries >> Galleries >> INBOX > Lios Ultra
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22-AUG-2011

Lios Ultra

The Lios Ultra extinction meter was the ne plus ultra in 1928. Exposures from 24 minutes to 1/500 sec, f/1.4 to f/64, emulsion speed 2° to 27.5° Scheiner or 8° to 4000° Hurter & Driffield.

Canon Powershot G12
1/10s f/5.6 at 6.1mm iso400 full exif

other sizes: small medium original auto
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Steve Thuman31-Aug-2011 01:46
Quite a work of art!!!!