
Canon filed a patent 2012123155 for a 35mm f/1.4 lens: Patent released date: June 28, 2012 Patent filing date: December 8th, 2010 Focal length: 34.73mm Aperture: 1.45 Half angle of view: 31.92 deg Image height: 21.64mm Length: 128.11mm Back focus: 38.48mm Lens diameter: 52.03mm Lens design: 12 elements in 9 groups sheet, 2 aspherical elements

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