The 5cm F2.8 Tessar never seemed to get the respect that the F3.5 version did. The original Black-Nosed version is stated to be a different optically. I have one, will do a close comparison.
This one had a bad front element when received, about the center 1/3rd had heavy cleaning marks. I replaced the front element from a parts lens. Then shimmed it to be between the Contax RF and Nikon S-mount. Used with a Nikon-Leica Amedeo adapter.
Wide-Open, on the M9.
Gunston Hall
At F4,
Gunston Hall
This one had a bad front element when received, about the center 1/3rd had heavy cleaning marks. I replaced the front element from a parts lens. Then shimmed it to be between the Contax RF and Nikon S-mount. Used with a Nikon-Leica Amedeo adapter.
Wide-Open, on the M9.
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At F4,
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