Leica APO-Summicron-M 50mm f/2 ASPH Lens – Mint – 6-Bit Coded – Box & Papers. • Leica APO-Summicron-M 50mm f/2 ASPH lens. This lens is in mint condition—used lightly and with great care. The barrel, focus, and aperture rings are flawless and operate with Leica’s signature precision.
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