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

Let me give you my thoughts about this : the manufacturers are perfectly aware of the problem. However, we, customers, want the lowest possible cost. Whereas the manufacturers want to highest possible margin. To solve that equation, they do the following : they increase their manufacturing tolerances, thus they release lower quality products on the market. A few customers will complain and they will repair their equipment. The whole operation will cost them much less than if they would have fine tuned every lens manufactured...

 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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