DPReview.com is closing April 10th - Find out more

EFS 17-55 USM corner blurriness: experts' opinion needed !

Started Nov 2, 2014 | Questions thread
OP 70d IF Regular Member • Posts: 155
Re: EFS 17-55 USM corner blurriness: experts' opinion needed !

MAC wrote:

Do brick wall test on tripod with IS off. Shoot, then flip 180 and shoot again. Compare corners. Right angle orientation to the wall critical.

I have no brick wall at hand right now, but I already did this test, with the same kind of result as the hedge shown here.

 70d IF's gear list:70d IF's gear list
Pentax K100D Canon EOS 80D Canon EF 85mm F1.8 USM Canon EF-S 17-55mm f/2.8 IS USM Tamron SP AF 17-50mm F/2.8 XR Di II LD Aspherical (IF) +4 more
Post (hide subjects) Posted by
MAC
MAC
MAC
irm
Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark MMy threads
Color scheme? Blue / Yellow