High quality construction metal lens mount very quick auto focus much brighter viewfinder than the F4 version
Tad heavier than the F4 Chinese version but better quality more than makes up for the weight.
I owned the 40-150 F4-5.6 version of this lens for almost 2 years and liked it except that the F4 aperture resulted in a dark viewfinder and the autofocus tended to hunt. I dropped that lens and so needed to find a used replacement. Bought this F3.5 version and can't believe th...
Read the full review