This video lecture from Optical Instruments (F.Sc. first year physics) covers What is telescope, How we can use the telescope, what are different parts of telescope. You will also learn some examples and how we use telescope, how much times it magnifies the object and from how much distance we can see the object. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.