Lensrentals.com has completed a teardown of the brand new Canon EF 70-200mm f/2.8L IS III and compares it to the Canon EF 70-200mm f/2.8L IS II. They discovered that there really isn’t any difference between the two in how they’re built.

From Lensrentals.com

Well, as Canon stated, there is no difference between the Mk II and Mk III versions. If you think there’s an optical or performance difference, please contact me about some Tennessee Beach-front property I have for sale. If you’re in the market for one of these in the near future, I’d snap up a Canon 70-200mm f/2.8 IS II at discount price if you can find it.

If you really like the new color do what we do for touchup paint: take the tripod ring from your friend’s Mk III to your local paint store and have them color match some enamel for you. Canon claims the new fluorine coating makes it easier to wipe off oil and smudges. I think the new fluorine coating is easier to wipe off. Could be Canon and I are both right, could be just Canon is right. Read the full article