Key Features
- EF Mount Teleconverter
- 1.4x Magnification Factor
- Microcomputer Controlled
- Communication Between Lens & Camera
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Top customer reviews
- disappointedwaited a month to get it but it did not fit my lens. Ad did not say that few lens fit the extender
- Exceede my ExpectationsI acquired this extender to add length to my new 100-400mm L MII lens. I use it on my 7D. I knew from reading my manuals that AF is not possible so that is not an issue as I educated myself in this regard. But what images, I really cannot find fault with the image quality of this extender. It is like the lens and extender were designed for each other. Very sharp. Now obviously on very distant shots there is degradation but again I know this is due more to atmospherics than the lens. On shots within 1/2 mile absolutely incredible I recommend this extender for those who understand the AF limitations.
- DisappointedI was not prepared for the lack of sharpness using this adapter at 200mm
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