Yokka Stars

Task id13206

Task id13206

Seller: nerdmavr

Price: 0.17 USD

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Product description

A camera's telephoto lens consists of two lenses; a positive lens with a focal length F = +6 cm facing the object, and a negative lens with a focal length F2 = -2.5 cm. The distance between the lenses is d = 4 cm. At what distance from the negative lens should the film be placed when photographing distant objects ?

Additional information

Detailed solution. Format gif