In an astronomical telescope, the final image for normal vision is formed at

In astronomical telescope, the final image is formed at

What is the magnifying power of an astronomical telescope when the final image of a distant object is formed at least distance of distinct vision?

In Gallilean telescope, the final image formed is

In Gallilean telescope, the final image formed is

Draw the course of rays in an astronomical telescope, when the final image is formed at infinity. Also define the magnifying power of the astronomical telescope in this position.

The optical length of an astronomical telescope with magnifying power of ten for normal vision is 44 cm . What is the focal length of the objective ?