Contax 2.1cm f/4.5 (21mm f/4.5) Biogon and Leica 21mm f/4.0 Super Angulon wideangle lenses - Image Library
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Carl Zeiss BIOGON 21mm f/4.5 rangefinder (RF) ultra-wideangle lens
Contax / Zeiss Ranegfinder Main INDEX page
A quick spec. sheet:
Focal Length: 2.1cm (21mm)
Mount: LEICA SM
Min. Focusing Distance: approx. 0.5m (1.35")
Minimum / Maximum Aperture: f/22~f/4.0
Filter Attachament Size: E39
NOTE:- Basic visual references only for some of the popular series, other combinations/variations may exist.
Credit: All images (lens hood, Optical Finder and rear/side views below) herein courtesy of Mr. Kelvin from his popular gokelvincameras@Ebay Store which retails for many hard-to-find Nikon, canon, Leica, Contax and other collectible oldies. All images Copyright © 2008. All rights reserved.
Kevincameras 611 WILSHIRE BLVD, # 311, LOS ANGELES, CA 90017 Tel:1-213-689-1686 Fax:1-213-689-1696 Mobile:1-626-233-6120 E-mail :info(AT)kevincameras.com