Asobinet spotted the design of three tele primes from Sigma. Example 1 Focal length: 485.00 F-value: 5.83 Angle of view: 5.06 Image height: 21.63 Overall length: 253.13 Example 5 Focal length: 700.00 F-value: 7.97 Angle of view: 3.52 Image height: 21.63 Total length: 318.72 Example 6 Focal length: 400.00 F-value: 5.06 Angle of view: 6.14… The post New Sigma patent discloses the design of the new 500mm f/5.6 OS, 700mm f/8 OS and 400mm f/5 OS appeared first on sonyalpharumors....
Published By: SonyAlphaRumors - Wednesday, 4 January, 2023