Economical focal length lens extender. You just have to have the right lens to use it. Compatibility is limited to certain models. If you have one of those, the extender is handy and takes up less room than another longer lens. It slows down focus a little, but if you're not in a hurry, it's great!
Verified purchase: Yes | Condition: Pre-owned
Cuts f stop speed in half so if your fastest f stop is 2.8 it will now be f4 or less. While it doubles your compatible lenses focal length say 100mm to 200mm. It’s built well and is weather resistant.
Verified purchase: Yes | Condition: Pre-owned
This extender is in mint condition; as written up. I used this with my Canon 100-400 lens on my EOS R Mirrorless Camera with the adaptor lens mount and my pictures were sharp and crisp while hand held. Can’t wait to put this on my tripod. This came in the box with a great bag, instructions, and registration card. Everything is like new. Very happy with how this works.
Verified purchase: Yes | Condition: Pre-owned
While this 2X does not make my 70-200mm 2.8 L lens equal to an authentic 400mm L lens, it performs a bit better than I expected, and it enables me to pack a lot of flexibility into a small shoulder bag I can actually carry where I want to go. Maybe more important, that flexibility came at a price I could actually afford. Plus, added to my 1.4X and sacrificing just a bit more light and crispness, my flexibility surges ahead even more.
Verified purchase: Yes | Condition: New
Doesn't work well with all ef lenses. Auto system is sometimes fuzzy and must switch to manual to use. The pictures constantly require manual refocus. Not for use by the amateur photographer.
Verified purchase: Yes | Condition: Pre-owned
The 2x extender allows me a longer additional lens without the larger additional bulk of a lens which would be hard to carry and deal with, my zoom ( 70-200mm f2.8) with the extender attached is just as sharp and gets me out there where I want to be quickly. Very happy with new toy.
Verified purchase: Yes | Condition: New
Faced with spending thousands for a high quality "L" series 500mm telephoto lens by Canon, the use of this 2X extender provides me with 400mm capabilities for just a few hundred dollars. For the occassional need for this magnification, it more than justifies the small cost. By buying used through eBay it saved almost 50% off a new Canon 2X extender and delivers absolutely beautiful shots when combined with my 70-200mm Canon "L" series zoom telephoto. The only down side is that sometimes you have to manually focus the lens in lower light situations because the extender effectively increases the F-stop by about 2 clicks. In other words an F4 shot becomes an F8 apeture. Never a problem on bright days and basically does not bother me since I grew up over thirty years using a manually focused set of lens.Read full review
Does not auto focus with my canon 70-200 f4 l lens. I purchased it specifically for this lens. Have to use manual focus. I have a 1.4 sigma extender and it works fine. This one says it works with all L lens, but it doesn't work with mine
Verified purchase: Yes | Condition: Pre-owned
It only works with Canon EF L lenses. The expensive ones. Not all of them. You have to do research to see if its compatible.
Verified purchase: Yes | Condition: Pre-owned
I was using a Canon 7D and I use a100mm x 400mm lens @ 400mm and a 2x II extender and a 2x III extender and a 1.4x II extender and the moon was a little bigger then the image now I use a 6D full frame Canon and with my 100mm x 400mm @ 400mm I use a 2x II extender and a 2x II extender and a 2x III extender to get the moon a little bigger then the image and I use auto focus in live view and it gets sharp photos if there was a place to post the image to show you I wood
Verified purchase: Yes | Condition: Pre-owned
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