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Dave Thomas | all galleries >> Photos, Gear, etc., Past & Present >> Active Photo Gear >> Ercona II > Knurl Diameter
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29-Aug-2012

Knurl Diameter

Approximately 40.3 mm in diameter.

Canon EOS 40D ,Canon EF 100mm f/2.8 Macro USM
(E8949) 1/6s f/16.0 at 100.0mm iso800 full exif

other sizes: small medium original auto