Leica Summicron-M 50mm V4, refined fourth version of the quintessential M standard with balanced character.
The Leica Summicron-M 50mm f/2 Version 4 is a specific iteration of the quintessential M-mount standard lens, the fourth version in the Summicron 50mm lineage. The V4 brought further refinements to the optical formula that makes the Summicron 50mm the heart of the Leica M system.
The Summicron V4 provides excellent sharpness with the balanced f/2 speed-to-size ratio that defines the ideal M-mount standard lens. The optical character sits between the earlier, more characterful versions and the current production lens, offering its own distinctive rendering.
Build quality is Leica M with machined brass and precision focusing. The V4 represents a mature refinement of the Summicron formula, and the specific version can affect pricing — earlier versions with more character may command different prices than later, sharper versions.
The Summicron-M 50mm f/2 V4 holds strong value as a specific generation of Leica's most important lens. The version identification affects both pricing and optical character — V4 provides a good balance of sharpness and character.