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apologies if this has been covered before, but i couldn't find the answer with some searching of the forum.
i'm going to start looking for a used zeiss sonnar 50/1.5 for my r-d1. i know from RFF that the early versions of this lens were optimized for 2.8, not 1.5, and that some people sent them to zeiss to be reoptimized for 1.5.
2 questions:
1) is there any way to know from, say, a serial number whether the lens was optimized for 1.5 or 2.8?
2) for those who have sent in to zeiss for reoptimization, would i be able to send it in for this if i bought one used and was not the original warranty holder?
thanks.
i'm going to start looking for a used zeiss sonnar 50/1.5 for my r-d1. i know from RFF that the early versions of this lens were optimized for 2.8, not 1.5, and that some people sent them to zeiss to be reoptimized for 1.5.
2 questions:
1) is there any way to know from, say, a serial number whether the lens was optimized for 1.5 or 2.8?
2) for those who have sent in to zeiss for reoptimization, would i be able to send it in for this if i bought one used and was not the original warranty holder?
thanks.