Canon EF 70-200 F2.8L IS MK II and MKIII Lenses

Mar 25, 2011
16,847
1,835
Check reviews at a reliable website, there are some that are noted for weird reviews or comments.

The Digital Picture is a good start.

"As mentioned, Canon has informed us that the Canon EF 70-200mm f/2.8L IS III USM Lens has the same optical design as the II. That makes predicting the III's image quality easy, especially since I've used the prior version of the lens for over 8 years. The image quality discussion below references the II with the expectation that the III will be the same. "

He did not indicate that AF is faster. With the same internal components, don't expect it to be different.

Roger at Lens Rentals reviewed the lens and tore it down to compare it to the MK II. Except for a paint job and a better but fragile lens coating, its identical.

https://www.lensrentals.com/blog/2018/09/review-of-the-canon-70-200mm-f2-8l-is-iii-lens/
 
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