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Forum: Pentax SLR Lens Discussion
10-05-2018, 01:43 PM
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That was my understanding as well, but I was told in the past that this wasn't the case. At this point I don't know.
Yes, I was talking about the other one (17XXXX)
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Forum: Pentax SLR Lens Discussion
10-05-2018, 05:49 AM
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Very interesting. I think yellowing happens in both 7 and 8 element versions. Based on the serial number (above 15XXXXX), and the red mark I would say it is a 7 element with features of the other version (e.g. 2 between 2.8 and 1.4). I think there is also a difference in weight so you could weight them (or disassemble them to count the elements ;) )
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