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Patent: A New EF 50mm f/1.2L Optical Formula Referenced

Canon Rumors

Who Dey
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Jul 20, 2010
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<p><a href="http://www.northlight-images.co.uk/canon-ef-lenses-rumours-and-news/">Northlight</a> has also uncovered a <a href="http://pdfaiw.uspto.gov/.aiw?PageNum=0&docid=20180095256">patent from the USPTO</a> showing improved chromatic aberration and field curvature. A bunch  of prime lenses, including a new EF 50mm f/1.2L (shown above) optical formula are referenced.</p>
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