Patent: Canon RF 70-300mm f/4-5.6 IS

Another detailed patent for an RF 70-300mm f/4-5.6 IS lens has appeared, the first one came as part of a patent for an RF 100-400mm Read more…

Original source: http://feedproxy.google.com/~r/canonrumors/rss/~3/hxd2sunKjqM/

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