You can have the best camera for beginners ... angle of view to a 75mm lens on an FX body, because 50 x 1.5 = 75. • Photography cheat sheet: Focal lengths explained Focal lengths below 24mm ...

Focal length is the optical distance in millimeters between a camera lens and the sensor or film. It determines the height and width of the scene being captured, known as the "field of view." ...

We have rounded up the best zoom lenses with options to suit a range of cameras and photography ... sky astrophotographers thanks to its huge focal length. It is well-made and durable but comes ...