Canon EF 8-15mm f/4L Fisheye USM lens is scheduled to be available in late
July 2011
 Canon EF 300mm f/2.8L IS II USM lens is scheduled to be available in late
August 2011
 Canon EF 400mm f/2.8L IS II USM lens is scheduled to be available in late
August 2011
 Canon EF 500mm F4L IS II USM lens is scheduled to be available in December
2011
 Canon EF 600mm F4L IS II USM lens is also scheduled to be available in
December 2011
http://usa.canon.com/cusa/about_canon?pageKeyCode=pressreldetail&docId=0901e0248030ca5d
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Pozdrawiam
Radoslaw Ziomber
www.astrofizyka.info