Discuss in the Canon SLR Lens Talk forum. The Canon EF 24mm F2.8 IS USM is compact, fixed wide-angle lens designed for Canon's full-frame and APS-C DSLRs. The 24mm F2.8 is equipped with Canon's Optical Image Stabilizer technology which offers up to 4 stops of shake correction. A ring-type USM focus motor provides fast, silent autofocus and full
Canon calls this the CANON MACRO LENS EF 100mm f/2.8 USM: MACRO: Focuses to just a few inches. EF: "Electronic Focus," meaning that there is an autofocus motor in the lens itself. All Canon lenses since 1987 have been EF. USM: Ultra-Sonic Motor, meaning AF is almost silent. Optics specifications top3 days ago · For extreme viewing angles, the Sigma 14-24mm doesn’t go quite as wide as the massively expensive Canon 11-24mm zoom, nor Sigma’s 12-24mm Art lens, but it comes pretty close and is only about half the price of the Canon. Our testing returned stellar sharpness across the entire image frame, even when shooting wide-open at f/2.8.
Canon has announced the RF 10-20mm F4 L IS STM, a rectilinear ultra-wide zoom lens for RF-mount cameras. Despite the addition of image stabilization, the new lens comes in at half the weight of Canon's previous ultra-wide zoom, the EF 11-24mm F4 L USM.
Dxkm.