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Canon 17-40 weird white dots inside front element

Started Sep 1, 2017 | Discussions thread
Andy01 Veteran Member • Posts: 5,191
Re: Canon 17-40 weird white dots inside front element

Weird - never seen anything like it. Can you return it ?

As a side note, When I was looking for a wider angle lens a few years ago, and tested several in a large shop with my own camera and card and compared images, the 17-40L was without a doubt the worse of the bunch - probably on a par with the 17-85mm I had at the time. The Canon EF-S 17-55, 16-35L f4 and even Sigma 17-50 f2.8 & Tamron were all better / sharper. I was very disappointed given that it was a L lens - noticeably worse than my 24-105L at similar focal lengths.

Colin

 Andy01's gear list:Andy01's gear list
Canon EOS M5 Canon 6D Mark II Canon EF 100mm F2.8L Macro IS USM Canon EF-M 22mm f/2 STM Canon EF 35mm F2 IS USM +5 more
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