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View Full Version : Canon develops EF 200-400mm f/4L IS USM Extender1.4x



BytePhoto News
Feb 6th, 2011, 11:09 PM
CP+ 2011: Canon has announced it is developing the EF 200-400mm f/4L IS USM Extender 1.4x lens, which features a built-in switchable 1.4x teleconverter. With the converter engages, it becomes a 280-560mm F5.6 lens. Designed for sports and wildlife photographers the lens will feature weatherproof construction and is scheduled for launch later this year.

More... (http://www.dpreview.com/news/1102/11020708canon200400mm.asp)