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Case Study of Focus Error Added to Making Sharp Images

Just added to Making Sharp Images is a new case study showing focus error with the Leica M+ 50/1.4 Summilux. The study shows that even at a distance of ~50 feet, an error of just a few feet can ruin the sharpness unless the lens is stopped down by 3-4 apertures.

Although the study was shot with the Leica M9, the same findings apply to any type of camera.

Ancient bristlecone pine in the White Mountains of California
Leica M9 + Leica 50mm f/1.4 Summilux-M ASPH FLE

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