Sigma 55mm f/1.4, 65mm f/1.4, and 70mm f/1.4 Patents Found
Example 1 Focal length: 54.42 F value: 1.46 Angle of view: 43.62 Image height: 21.63 Overall length: 167.72 Example 2 Focal length: 62.87 F value: 1.46 Angle of view: 38.04 Image height: 21.63 Overall length: 167.71 Example 3 Focal length: 69.51 F value: 1.76 Half angle of view: 34.46 Image height: 21.63 Overall length: 167.64 … Continue reading Sigma 55mm f/1.4, 65mm f/1.4, and 70mm f/1.4 Patents Found
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