Tag:Leica Summicron 50mm f2 Collapsible

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Summicron 50mm f2 Collapsible Radioactive – Is It Just a Myth

Lens Review Leica Summicron 50mm f2 Collapsible Radioactive Is this Radioactive Lens a Myth? Summicron 50mm f2 Collapsible Radioactive – Is It Just a Myth August 1, 2020 Construction of the Summicron 50mm f2 collapsible Summicron Collapsible started production in 1951 until 1957 with Leica screw and bayonet mount. It takes 39mm filter which is interchangeable with my Summicron 50mm or 35mm lenses. The aperture ring is smooth but the click-stop is not as precise as Summicron Rigid or later […]

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