zoom ratio

In Windows version, it includes window mode, full screen mode, adjustable zoom ratios (x0.5, x1.0, x1.5, x2.0).

Some models offer up to 12:1 zoom ratio.

Standard zoom lens with an Image Stabilizer and high zoom ratio.

The largest ratio for a digital SLR camera lens is held by the Nikon DX format (APS-C) 18-300 mm, giving 16.7x. Some bridge digital cameras have even larger zoom ratios up to 50x.

This Sigma 50-500mm f/4.0-6.3 EX DG HSM is an ultra superzoom lens that encompasses all popular focal lengths from the 50mm normal to 500mm ultra-telephoto; a 10:1 zoom ratio which provides tremendous versatility.

Quality degradation is less perceptible when recording moving images at low resolution, which is why professional video and TV lenses are able to feature high zoom ratios.

Designers of zoom lenses with large zoom ratios often trade one or more aberrations for higher image sharpness.