Summitar 2/5cm 'Aluminium Rim', 1941, no.553384
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Description
The focusing mount is made of aluminum and unfinished. Clean optics and perfect working order (cap). Included: a copy of the Leitz delivery book. Ex Theodor Kisselbach collection.
Focusing mounts for Leitz and Leica lenses are mostly carried out in a combination of aluminum on brass, which gives the smoothest operation. Besides, there were always experimental designs of helicoils or even complete lens mounts only made of aluminum. Those continue into the late 1950s, with Summicron 35 mm f/2 (8-element) and Summarit 5 cm f/1.4 (Summilux prototype) for example. The purpose of these experiments is largely unknown today. In any case the aluminum lens prototypes are truly rare.
Like camera no. 290000, the present Summitar with number 553384 is an item from the Leitz design and development department. It was internally at Leitz Wetzlar delivered to chief designer Wilhelm Albert, Oskar Barnack’s direct successor and head of the Leica design department, on January 9, 1941.
Focusing mounts for Leitz and Leica lenses are mostly carried out in a combination of aluminum on brass, which gives the smoothest operation. Besides, there were always experimental designs of helicoils or even complete lens mounts only made of aluminum. Those continue into the late 1950s, with Summicron 35 mm f/2 (8-element) and Summarit 5 cm f/1.4 (Summilux prototype) for example. The purpose of these experiments is largely unknown today. In any case the aluminum lens prototypes are truly rare.
Like camera no. 290000, the present Summitar with number 553384 is an item from the Leitz design and development department. It was internally at Leitz Wetzlar delivered to chief designer Wilhelm Albert, Oskar Barnack’s direct successor and head of the Leica design department, on January 9, 1941.
Condition
B/A
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Summitar 2/5cm 'Aluminium Rim', 1941, no.553384
Estimate €15,000 - €18,000
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