If, on the other hand, you want to photograph at greater distances, you should choose a lens that offers focal lengths longer than 55 mm, for example 55— mm. The shorter the focal length, the greater the extent of the scene captured by the lens. On the other hand, the longer the focal length, the smaller the extent captured by the lens. If the same subject is photographed from the same distance, its apparent size will decrease as the focal length gets shorter and increase as the focal length gets longer.
The DX and FX formats use different crops, resulting in different picture angles and magnifications with lenses of identical focal lengths. Lenses are available in DX and FX formats. Imaging Products. Lens Focal Length and Picture Angle. Maximum Aperture Minimum f-number. Minimum Focus Distance. Depth of Field. Lens with a short focal length wide angle of view To view this content, JavaScript must be enabled, and you need the latest version of the Adobe Flash Player.
Lens with a long focal length small picture angle To view this content, JavaScript must be enabled, and you need the latest version of the Adobe Flash Player. Picture angle Focal length: 12 mm. Focal length: 24 mm. Focal length: 50 mm. By clicking Sign Up, you are opting to receive educational and promotional emails from Nikon Inc.
You can update your preferences or unsubscribe any time. Search Articles. Glossary Off On. What is Lens Focal Length Focal length, usually represented in millimeters mm , is the basic description of a photographic lens. Standard Lens FX format approx. Telephoto Lens FX format approx. Super Telephoto Lens FX format approx. More Like This More articles like this. Article Collections. Articles like this, right in your inbox.
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