Canon EF 24-70mm F/2.8L USM Zoom Lens

Lens Type: Standard zoom lens Mount: EF mount (compatible with Canon full-frame and APS-C DSLR cameras) Focal Length: 24-70mm Aperture: Maximum aperture of f/2.8 (constant aperture throughout the zoom range) Minimum Aperture: f/22 Autofocus: Ultra Sonic Motor (USM) for fast, silent, and precise autofocus Image Stabilization: No (uses fast shutter speeds and wide aperture for low-light performance) Minimum Focus Distance: 0.38m (1.25 ft) Construction: 16 elements in 13 groups Filter Size: 82mm Dimensions: 88.5 x 113mm (3.5 x 4.4 inches) Weight: 805g (28.4 oz)