A friend of mine and I both bought Nikkor 360T lenses recently, and I noticed a difference. Mine has supplementary aperture position markings for the 500mm rear lens unit, his has the markings for the 500mm and 720mm rear lens units. Would I be correct in assuming that that makes mine an older vintage than his, as perh aps the 720mm unit wasn't produced until after the Copal shutter on mine was con tracted by Nikon? Am I correct that, if so inspired, I could still use the 720mm rear unit on mine, despite the lack of markings? (I realize from looking at his that the aperture reading will be 2 stops different from where I set the lens w ith the 360mm markings, 1 stop diff. from the 500mm markings) Finally, I can go to Schneider's Website and look up the approximate age of all my Schneider lense s. Is there an equivalent place to check the vintage of my Nikkor? TIA!
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