If the 45mm lens is considered normal for this camera what r

If the 45-mm lens is considered normal for this camera, what relative magnification does each of the other two lenses provide? (magnification of 28mm and 145mm). The Sun has diameter 1.4×106km, and it is 1.5×108km away.

Solution

Magnification

M₁=28/45 =0.62

M₂=145/45 =3.22