Christopher Williams (b. 1943)
PROPERTY SOLD TO BENEFIT MUSEUM DHONDT-DHAENENS
Christopher Williams (b. 1956)

Cutaway of a LEICA TRI-ELMAR-M28-35-50 mm f/4 ASPH.Angle of view:Focal lenght 28 mm: 75°, 65°, 46°Focal length 35 mm: 63°, 54°, 38°Focal length 50 mm: 47°, 40°, 27°Optical design: 8 elements in 6Aperture: f/4 (largest) f/22 (smallest)Scale: combined meter/feet-incrementsLeica M quick-change bayonetFocusing range: 1m to InfinitySmallest object field:Focal length 28 mm: 750 x 1130 mmFocal length 35 mm: 620 x 930 mmFocal length 50 mm: 430 x 650 mmHighest reproduction ratio:Focal length 28 mm: 1:31Focal length 35 mm: 1:26Focal length 50 mm: 1:18Lens produced between: 1998 and 2007Date of the cut: unknownFotostudio Axel Gnad, Düsseldorf,February 13, 2009

Details
Christopher Williams (b. 1956)
Cutaway of a LEICA TRI-ELMAR-M
28-35-50 mm f/4 ASPH.
Angle of view:
Focal lenght 28 mm: 75°, 65°, 46°
Focal length 35 mm: 63°, 54°, 38°
Focal length 50 mm: 47°, 40°, 27°
Optical design: 8 elements in 6
Aperture: f/4 (largest) f/22 (smallest)
Scale: combined meter/feet-increments
Leica M quick-change bayonet
Focusing range: 1m to Infinity
Smallest object field:
Focal length 28 mm: 750 x 1130 mm
Focal length 35 mm: 620 x 930 mm
Focal length 50 mm: 430 x 650 mm
Highest reproduction ratio:
Focal length 28 mm: 1:31
Focal length 35 mm: 1:26
Focal length 50 mm: 1:18
Lens produced between: 1998 and 2007
Date of the cut: unknown
Fotostudio Axel Gnad, Düsseldorf,
February 13, 2009
gelatin silver print
20 x 24in. (50.8 x 61cm.)
Executed in 2009, this work is number five from an edition of ten
Provenance
Donated by the Artist, Courtesy of Galerie Gisela Capitain, Cologne.

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