Christopher Williams Cutaway model Leica Leitz Wetzlar Tele-Elmar 135/4.0 Focal length: 135 mm Aperture range: 4 – 22 Number of elements/groups: 4/4 Focusing range: 1.5 m – infinity Angle of range: 18 degrees Filter thread: 39 mm Weight: 405 g Dimensions: 53.4 × 122.69 mm Manufacturer part number: 11850 Lens design by Dr. Walter Mandler Manufactured by Ernst Leitz GmbH, Wetzlar, Germany Studio Rhein Verlag, Düsseldorf March 14, 2013, 2014 Selenium toned gelatin silver print 14 1/2 x 18 1/2 inches (36.8 x 47 cm) Courtesy David Zwirner, New York/London and Galerie Gisela Capitain, Cologne.
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