Summary: I use this extender with my 70-200mm F2.8 IS USM Lens. Pictures of Wildlife are excellent. Good alternive to buying a additional lens and does not add much weight to my...
Pros: Consistent Output, Durable, Easily Interchangeable, Fast / accurate auto-focus, Rugged, Strong Construction
Summary: I bought this to compliment a Canon 100-400 to support photographing Humpback Whales from on shore. It works but you need a sturdy tripod and a very good eye to get the...
Summary: I had already bought the Canon 1.4X extender and was pleased with it for getting closer to wildlife, so I decided to try the Canon 2X extender.
Summary: Most photos no longer tack sharp. I can't buy every lens I want, so this helps ease the pain. I have gotten some very nice shots with a tripod and a 70-200 L/f2.8.
Pros: Consistent Output, Easily Interchangeable, Rugged, Strong Construction
Summary: I wanted a professional quality zoom lens that would not only be suitable for wildlife but also general telephoto purposes.
Pros: Build quality, Fair price, Water resistant and dust proof, Maintains AF and IS on lenses f2.8 and faster, Stackable with 1.4x extender, Optically excellent. Quality lo...
Cons: None. It does exactly as it says on the box., If you expect the impossible you'll be disappointed.
Summary: What people don't understand is that TC only works will with Great lens. Obviously, most of the Canon lens is just so so at wide open even the 200mm 1.8.
Pros: well build. Good glass. No signs of CA issue.