Review 1 of 34
Price Paid:
$550.00
from 11/15/2006 Summary: I used a 50mm Sigma macro before. I was very happy with that's lens optical quality, but the working distance was a problem for me ( i usually use macro lens with extension tube, to reach under lifesize). I don't only mean the minimum working distance, but the changing lenght of sigma's lens during changing magnification (or focusing in other words).
So, i decided to change to this lens.
The picture quality is near to the (or equal, hard to decide) sigma, the working distance is a dream (w my 68mm extension tube i can stay more than 10cm away from the subject, so i won't cast any shadow, i have the place to play w the line), also the constant length is a dream (when i focused w the sigma's my manfrotto 488 ballhead's position changed (about half mm which seems to be nothing, but it's too much when you take picture from a smaller than 1cm long subject).
It was (is) a bit hard to use to the dof this longer focual length gives, but i think 100 is a good compromise of reach and dof). Strengths: Picture quality
Constant length
USM AF is much faster then the prev lens (rarely used, MF still better)
Build quality Weaknesses: The AF limiter can be switched only to .31-infinity, you can't half down the focusing movement to the closer half
Similar Products Used: Sigma 50mm f/2.8 EX Macro Customer Service: 0
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