LensRentals Canon EF 70-200mm F2.8 Mark III and Mark II teardown When Canon announced the EF 70-200mm F2.8L IS III USM earlier this summer, the company was pretty open about the fact that it was a minor upgrade to its predecessor, featuring tweaked coatings and a new finish, but the same optical-mechanical formula. Never ones to take a press release at face value (and since repairing lenses is a big part of their job) Roger Cicala and the team at LensRentals opened the lenses up to see whether C...
LensRentals Canon EF 70-200mm F2.8 Mark III and Mark II teardown When Canon announced the EF 70-200mm F2.8L IS III USM earlier this summer, the company was pretty open about the fact that it was a minor upgrade to its predecessor, featuring tweaked coatings and a new finish, but the same optical-mechanical formula. Never ones to take a press release at face value (and since repairing lenses is a big part of their job) Roger Cicala and the team at LensRentals opened the lenses up to see whether C...
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