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." ...

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

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 ...