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Could you identify this Zeiss?:-))
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PostPosted: Mon Oct 24, 2011 5:18 pm    Post subject: Could you identify this Zeiss?:-)) Reply with quote
It's a Planar 50mm 1.7 T*...is it AE or MM? How can I recognize it? Thanks.



PostPosted: Mon Oct 24, 2011 5:34 pm    Post subject: Reply with quote
If teh highest stop is in green (teh f16 or f22), it is MM, else AE


PostPosted: Mon Oct 24, 2011 5:37 pm    Post subject: Reply with quote
Can I see also from serial number?


PostPosted: Mon Oct 24, 2011 6:17 pm    Post subject: Reply with quote
Sure, if you have access to the Zeiss manufacturer files Wink


PostPosted: Mon Oct 24, 2011 6:19 pm    Post subject: Reply with quote
If it starts with an 8 (which it looks like it does) then it is probably an MM Smile


PostPosted: Mon Oct 24, 2011 6:27 pm    Post subject: Reply with quote
ManualFocus-G wrote:
If it starts with an 8 (which it looks like it does) then it is probably an MM Smile


You can take off the "probably" Wink


PostPosted: Mon Oct 24, 2011 6:28 pm    Post subject: Reply with quote
Orio wrote:
ManualFocus-G wrote:
If it starts with an 8 (which it looks like it does) then it is probably an MM Smile


You can take off the "probably" Wink


I just didn't want to get in trouble if he bought it and it turned out to be AE Laughing


PostPosted: Mon Oct 24, 2011 6:50 pm    Post subject: Reply with quote
I've got a better image...it's a 6, not a 8!:-O


PostPosted: Mon Oct 24, 2011 6:54 pm    Post subject: Reply with quote
If the first two numbers are 64xxxxx then you have, like, 80% chances of it being an AE.


PostPosted: Mon Oct 24, 2011 7:01 pm    Post subject: Reply with quote
This is the serial number:
6484268


PostPosted: Mon Oct 24, 2011 7:33 pm    Post subject: Reply with quote
Unfortunately the Thiele book does not report the production year for that lot.


PostPosted: Mon Oct 24, 2011 7:43 pm    Post subject: Reply with quote
OK, OK. My 65xxxxx serial Planar 50/1.7 is AE while my 68xxxxx is MM. Hopefully that helps you Smile


PostPosted: Tue Oct 25, 2011 6:30 am    Post subject: Reply with quote
But the color of the last number of the aperture ring is a guarantee? If it's green is a MM?
Thanks.


PostPosted: Tue Oct 25, 2011 12:26 pm    Post subject: Reply with quote
None can help me about my last questio?Smile


PostPosted: Tue Oct 25, 2011 12:52 pm    Post subject: Reply with quote
sinner79 wrote:
But the color of the last number of the aperture ring is a guarantee? If it's green is a MM?
Thanks.


If green f22 = 100% MM


PostPosted: Tue Oct 25, 2011 1:39 pm    Post subject: Reply with quote
Keysersoze27 wrote:
sinner79 wrote:
But the color of the last number of the aperture ring is a guarantee? If it's green is a MM?
Thanks.


If green f22 = 100% MM


Unless someone painted the white number green. Wink The 50/1.7 doesn't go to f/22 but to f/16, by the way.
I would say that the most reliable proof of a lens being MM is the presence of the MM tab on the mount of the lens.
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