11.) What is the focal length of the lens? What is the power of this lens in diopters? Name the lens. n=1.72 R-25m R=50c
Posted: Mon May 16, 2022 6:00 pm
11.) What is the focal length of the lens? What is the power of this lens in diopters? Name the lens. n=1.72 R-25m R=50cm