Leica 3.5cm f3.5 Summaron (SOONC-M / 11105) - Lens

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Model Details

Manual focus wide normal lens made for M-mount rangefinder cameras introduced by Leica in 1954. This was the first version of the lens, and was designed for the M3. It required the SBLOO (12010) brightline viewfinder for composing. Metal body available in silver (SOONC-M / 11105).

  • Leitz Wetzlar 3.5cm f3.5 Summaron (6 elements, 4 groups)
  • Minimum focus distance: 1m
  • Aperture blades: 10
  • Weight: 195g
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Leica M

Leica’s M mount was introduced in 1953 alongside its first camera, the M3. Despite the rise of the SLR, Leica cameras have continued to succeed as their unique combination of build quality, speed, and discretion sets them apart from competition. The M bayonet mount, and the cameras introduced alongside it, offered (& continue to offer) a number of advantages over SLRs and other rangefinder cameras.

One big advantage is automatic framelines, which react to the lens on the camera to show accurate framelines in the viewfinder. This is even possible with older Leica Thread Mount (LTM) lenses if the correct adapter is used.

Other manufacturers, such as Cosina Voigtländer, Carl Zeiss, Konica, and Minolta, have also produced rangefinder cameras using Leica M mount.

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Leica 3.5cm f3.5 Summaron (SOONC-M / 11105) - Lens Price History
Date Sold SKU Quality Control Price Image
23 Jan 2026 T129968 € 629.00 Leica 3.5cm f3.5 Summaron (SOONC-M / 11105) - Lens Image
03 Jan 2026 T125453 € 676.89 Leica 3.5cm f3.5 Summaron (SOONC-M / 11105) - Lens Image