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A rare collapsible 50mm f/2.8 normal lens in original coupled LTM mount, combining a compact wartime-era barrel with Steinheil construction.

Steinheil Triplar 50mm f/2.8 (Collapsible)

LTM mount

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The Steinheil Triplar 50mm f/2.8 (Collapsible) is a LTM-mount lens for Leica rangefinder cameras. Leica price index →

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How it compares

Measured against the 106 other 50mm LTM-mount lenses in the catalogue.

f/2.8 Maximum aperture Faster than 24% of them

Specification

Focal Length: 50mm
Aperture: 𝑓/2.8
Release Year (from): 1945
Mount: LTM

About this lens

Steinheil Triplar 50mm f/2.8 (Collapsible)

Optical Qualities

The Triplar is a moderate-speed 50mm normal lens. Published information on the exact optical arrangement of this uncommon LTM version is inconsistent, so elements and groups remain unlisted.

History

A surviving original Leica-thread example is documented from around 1945. Its collapsible barrel distinguishes this factory configuration mechanically from rigid Steinheil normal lenses.

Handling

The lens retracts for compact storage and must be fully extended before use. Care is advisable when collapsing it on adapted or digital bodies where internal clearance may differ.

Compatibility

The documented version has an original M39 Leica thread mount and is rangefinder coupled. Leica M use requires an appropriate LTM-to-M adapter.

Sources

Where to buy

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