I have achieved my heavy hobby work to adopt Minolta TELE ROKKOR QF 200/3,5 on Canon EOS Digital body 7D before long. Not a little effort was required to move lens element 2 mm posteriorly, a metallic EOS bayonet flange and discrepant value 0,5 mm between Minolta MC and Canon EOS. Deeper consideration was necessary to seek out the adjustable part and just swapping the position of adjusting sim ring on the rear lens supporting case could make it possible to establish the correct flange-back value 44,0 mm, same as Canon EOS standard. Also, some unnecessary parts for Automatic Iris control system constructed inside of lens case barrel were all removed for weight reduction and handling convenience. I didn't neglect to lubricate on moving parts, cam and lever action portion for iris open and closure controlling.
Test shooting after the procedure for as long as 6 hours proved that the description by some professional person in the Web site was to the point and my desperate effort was rewarded. I have to carry all the time in spite of it's relatively heavier weight, 790 gr, Elmarit-R 135/2,8 weighs 730 gr. But even on the tripod, a camera with this lens have some tendency to tremble leading to shaking, so, external release switch must be prepared, the wired shutter button for 10D can be an alternative? The coupler at wiring end equipped on 7D is the same as 10D?
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