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

Started Nov 2, 2014 | Questions thread
OP 70d IF Regular Member • Posts: 155
Re: By "within spec", he may mean

Rick Knepper wrote:

He could also mean that the decentering here is not severe enough to mess with. To center it. you may end up with both sides noticeable soft although the right side will show improvement.

This is exactly the reason why I am asking for opinions - and experiences - here. Sometimes the best is enemy of the good.

 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
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