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

Loss of sharpness on Canon 100-400

Started May 4, 2020 | Discussions thread
WindwardHaole Senior Member • Posts: 1,550
Re: Loss of sharpness on Canon 100-400

I don't think the problem is caused by dust. Twelve years on a zoom will result in some internal wear and misalignment, in what manner and if it is noticeable depends on the user.

Keyboard shortcuts:
FForum PPrevious NNext WNext unread UUpvote SSubscribe RReply QQuote BBookmark MMy threads
Color scheme? Blue / Yellow