At what distance from the objective lens in a refracting telescope is the primary image formed-that is,at what distance would you place photographic film if you wanted to take a photograph?
A) its focal length
B) its diameter
C) twice its focal length
D) immediately behind the lens to collect the most light

Question

Quizplus · Accepted Answer

The primary image in a refracting telescope is formed at the focal point of the objective lens, which is at its focal length.

At What Distance from the Objective Lens in a Refracting