the wider the angle of view and the more 'wide-angle' the lens. The larger the focal length, the narrower the field of view and the more 'telephoto' the lens. Focal lengths are often split into ...

Higher numbers give you a narrower field of view and more magnification; for example, a 400mm lens is a telephoto, while a 20mm lens gives you a wide-angle view. (You’ll see the measurement on ...

Yes, it lacks the versatility of a wide-angle zoom like ... with a wider field of view. So where’s the catch? You may like I tested Sony’s longest telephoto zoom lens, and it’s a winner ...