Canon EF 200-400mm f/4L IS USM Extender 1.4X
You get you what you pay for with the Canon EF 200-400mm f/4L IS USM Extender 1.4X: superlative performance and flexibility.
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July 13, 2013 12:00 AM PDT
Photo by: Stephen Shankland/CNET
| Caption by: CNET Reviews staff
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