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Patent: Canon RF 17-70mm f/4-5.6 BR
Canon News has uncovered a patent for a Canon RF 17-70mm f/4-5. 6 BR optical formula. This is a pretty detailed patent, and kind of interesting Read more. . . The post Patent: Canon RF 17-70mm f/4-5.
Canon News has uncovered a patent for a Canon RF 17-70mm f/4-5. 6 BR optical formula. This is a pretty detailed patent, and kind of interesting Read more. . . The post Patent: Canon RF 17-70mm f/4-5.