You can have the best camera for beginners, but if you don't truly understand focal length, you'll struggle to pick the right ...

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." ...

The technical definition of a telephoto lens is one with a focal length greater (or longer) than 50mm (on the 35mm/full frame ...