Northlight has also uncovered a patent from the USPTO 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.
canonrumors.com2018-4-5 21:22
patent 50mm → Результатов: 1 / patent 50mm - фото
Patent: EF-S 30mm f/1.8 & EF 50mm f/1.8
A Canon patent was found over at Northlight Images for a 50mm/1. 8, which was replaced relatively recently, and a APS-C 30mm/1. 8 lens has appeared at the Japanese patent office (No. 2017-102352 ) Full frame lens specifications: Focal length 51. canonrumors.com »
2017-06-09 23:51
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