發表於: 星期一 二月 07, 2011 12:29 pm 文章主題: Canon develops EF 200-400mm f/4L IS USM Extender1.4x
Canon develops EF 200-400mm f/4L IS USM Extender1.4x
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 engaged, 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.