copitlory8
Sep17-10, 04:40 PM
1. Why is a telephoto lens considered to have a longer focal length than that of a single convex lens?
A lens combination, such as a diverging and a convex lens, is referred to as a telephoto lens. Suggest why a telephoto lens is considered to have a longer focal length than that of a single convex lens.
A lens combination, such as a diverging and a convex lens, is referred to as a telephoto lens. Suggest why a telephoto lens is considered to have a longer focal length than that of a single convex lens.