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Canon Unveils New 200-500mm L-Series Lens Patent

Lens manufacturers have patented various zoom lenses, some offering a wide focal range and others power zooms for hybrid cameras. Canon, too, has varied patents in the works, including the RF ...
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Canon EF 500mm and 600mm f/4L IS II USM Lenses

Canon today announced two new versions of its popular Image Stabilizer (IS) super-telephoto lenses. The EF 600mm f/4L IS II USM and EF 500mm f/4L IS II USM super-telephoto lenses deliver incredible ...