Prime lens facts for kids

Compact 85mm Canon prime lens with a maximum aperture of f/1.8

This Nikon 35mm wide-angle lens is a small, light-weight and "fast" prime lens with a maximum aperture of f/2

A Prime lens is a lens which has a fixed "zoom" or focal length. It is easier to make fixed focal lenses than to include them in a variable focus lens. Therefore, fixed focal lenses usually have a larger opening, known as an aperture, than comparable variable focus lenses. They are usually also of a higher optical quality.

Images for kids

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  A 29 mm prime lens accompanied by a diagram of its internal lens elements.

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  Prime lenses have large apertures, compared with zoom lenses. These 85 mm lenses have maximum apertures of f/1.8 (left) and f/1.2 (right).

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  The Canon EF 50 mm f/1.8 II.

See also

In Spanish: Objetivo de distancia focal fija para niños