28mm F 1.8 Usm: Canon Ef
Ring-type Ultrasonic Motor (USM) for fast, quiet autofocus with full-time manual override.
10 elements in 9 groups, including one aspherical element to reduce distortion. canon ef 28mm f 1.8 usm
is a fast, wide-angle prime lens designed for full-frame DSLRs, though it is frequently used on APS-C cameras as a "normal" lens. Released in 1995, it sits between budget alternatives and the high-end "L" series, offering a more robust build and faster autofocus than the similarly aged EF 50mm f/1.4 USM. Ring-type Ultrasonic Motor (USM) for fast, quiet autofocus
The Canon EF 28mm f/1.8 USM Go to product viewer dialog for this item. Ring-type Ultrasonic Motor (USM) for fast
28mm (approx. 45mm equivalent on APS-C sensors). Aperture Range: f/1.8 to f/22.
Weight of 10.9 oz (310g); utilizes 58mm filters. New Normal: Canon EF 28mm f/1.8 USM - Learning DSLR