New Canon patents for 100-400mm and 70-300mm f/4.5-5.6 lenses with diffractive optical element (DOE)

By PR admin | Published: May 24, 2014
Canon 100-400mm f:4.5-5.6 DO lens patent

Canon 100-400mm f:4.5-5.6 DO lens patent

Canon 70-300mm f:4.5-5.6 DO lens patent

Canon 70-300mm f:4.5-5.6 DO lens patent

A quick update to my last post: Canon filed new patents for a 100-400 mm f/4.5-5.6 and 70-300 mm f/4.5-5.6 lenses with diffractive optical element (DOE).

Via Egami

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