Other/Uncategorized GAMMA III Question!!

Other Screw mount bodies/lenses

lynch1933

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12:00 PM
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Jul 5, 2015
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1
HI Guys,

Who know the function of letter "E" and "V" on the plate,which I highlighted in red circle. Or who could lead some clue for reference?

Thanks you!


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679d70bfgw1etugqker6uj20p20ni0ze.jpg
 
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