85 f1.4, 85 f2.0 IS, 135 f2.0 IS, EF 50- 135 f2.8 portrait zoom.
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if the OP wants to complain that he can wants MORE mp, let him.
nikon has better DR and more MP.
you can't argue with that.
I have one of these lenses.
The focusing ring is very smooth and there is no backlash. I think you would feel backlash when twisting the focus ring back and forth.
It is true that there is variability with the position of the distance scale in relation to the actual focus. My first lens was about 1cm off along the distance scale. The focus ring seized and I got a new one under warranty - this one is spot on.
if it is plain backlash, you should be able to get repeatablility by always coming at it from the same way. the focus scale may line up better one way than the other, if so, use that direction. does that make sense?
if you focus from 9' then 10', and it is actually 10', then always focus short first before using the focus scale.
Will this help ??
Did you buy a lens to make pictures or to measure distances?
In the old days, manual focus lenses had DOF markings for different apertures, nice and useful.
In the olden days, some Canon bodies even had a helper mode "adepth" for this - af at spot one, af at spot two & it calculates the required f-stop... alas, newer cameras have you-dont-wanna-know how many creative zone programs, but this has been lost along the way.