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Updated: Patent: EF 15mm f/4 & EF-M 9.5mm f/4

Update: Canon News has dug a bit further and come to the conclusion that these optical formulas are for a fisheye due to the lenses having a 175 degree field of view. A new patent showing an optical formula for a new wide angle prime has appeared. The full frame lens in the application is Read more......

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Published By: Canonrumors - Thursday, 11 January

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