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p.1 #1 · p.1 #1 · Mamiya 645 A 120mm f/4 Macro lens on Canon EOS | |
I recently bought the Mamiya 120/4 A Macro because my Nikkor 105/4 Ai desperately needs relubing and that would cost 250$ (yes, that's triple the price I paid for the lens..) and I wanted a good one for a reasonable price.
So I bought it in mint condition at a great price and here it is:
As you can see, the rubber looks quite "old". I cleaned it with a rather mild cleaner (Surf City Garage Dash Away) but the grey-ish colour wouldn't budge, so it's not dust.
Could I use a rubber care product for cars? (which is used to protect and care for rubber seals on doors etc.)
The lens is quite large and heavy compared to my usual suspects (adapted 50mm lenses) but not really when you compare it to modern fast wide angles or teles (e.g. the Sigma ART series or my Samyang 35/1.4)
But it does extend quite a bit when at minimum focus distance
Today I finally received my M645-EOS adapter (from PIXCO, with EMF chip) and went right ahead to try it out.
Unfortunately, the lens almost turns freely and can easily be disengaged from the adapter. After some trying I found the spot where it supposedly "clicks in" and the DOF-scale faces up. However, it only stops at that position, it's not "fixed".
That means, I can still turn the lens in the opposite direction and take it off.
Understandably, that has me paranoid about the lens falling off suddenly while shooting (I want to use it for portraits with flash too, that's why I got the adapter with AF-confirm chip..)
Is this normal with Mamiya lenses, did I do something wrong, or should I claim a refund from the company?
The adapter does have a "locking mechanism" with a button to press in. But as I said before, the lens doesn't really care it seems.
Your help would really be appreciated.
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