The lens he is using is Concave lens of focal length 0 5 m

Last updated: 6/8/2023

The lens he is using is Concave lens of focal length 0 5 m Convex lens of focal length 2 0 m Concave lens of focal length 2 0 m Convex lens of focal length 0 5 m using a lens having power of 2 D