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Canon Files Patent For A 300mm f/4 Lens

Egami (translated) spotted a Canon patent for a 300mm f/4 lens, the possible successor of the (?). The patent suggests that performance fluctuations that are due to temperature changes, and…

Canon USA Starts Its Own YouTube Channel

Good news for all of us who are Canon fans. Canon USA started a YouTube channel to showcase its products. For the time being there are four sub-channels, named How…

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