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| p.2 #11 · How to (not) fix your Rokkor 58/1.2 for infinity on EOS (5D2). |
Thanks. Check image #3, it's probably the most common sand paper roll that goes with these kind of tools. I dont know about the extension thing but it came as standard to mine. I would not hesitate to do this again now when I know what tool to use. It was on of the useless pink colored stone things visible in the same image that hit the mirror..
If I had the skill of m-a-x above - creator of the famous Frankenzeiss :-) - I would probably have taken more things apart. But there are possibly more people here that...Show more →
Thanks for the info, Wilhelm.
I just did the same thing with my newly acquired 35lux R. The lens in merely good condition with previous owner tried file down a little bit of rear retaining ring. But it is just scratch the ring other than any real job done.
I get it at fair decent price. Since previous owner has tried file down the rear ring, I feel less guilty to finished the job by myself. Otherwise, if it is mint copy without any modification, I won't dare to do it given its value.
I file it down by myself use a file. It quite a bit of job that I have to file down about 3mm to be able to clear my D700 mirror. I did the same thing as illustrated by Leitax, similar to your setup. The copper is soft and I prefer use hand file to have better control. I cover the lens element and put cotton to prevent dust into the lens with paper towel and lots of blue tape to wrap the lens. Basically, turn the lens to infinity and use tape to wrap around ring to prevent accident moving.
I also didn't dis-assembly the lens since I have almost zero knowledge about lens construction. So, I understand your concern here. I kind of prefer to hold the lens instead of rear element group. I feel it is hard to get stable operation without proper tool.
It took me 30min total, most of time is preparing. Though I have to do it again, as first time it is only clear up to 10M.
With the experience I have now, I am not afraid to do it on Rokkor if I can get it in future. Less than 1mm, that is a piece of cake