Although f/2.8 is not fast considering the 24's fixed focal length (many zoom lens apertures open this wide), the 24 f/2.8 is reasonably sharp wide open with increased sharpness showing when stopped down to f/5.6. Corners are relatively sharp even wide open on full frame body. Canon EOS 550D Sony Alpha NEX-6 Canon EF 50mm F1.8 II Canon EF-S 10-22mm F3.5-4.5 USM Canon EF-S 15-85mm f/3.5-5.6 IS USM +7 more Reply Reply with quote Reply to thread Complain The focus mechanism sounds a bit metallic especially when operated with the lens unattached to a camera, but its not louder in operation than the DT 35 f/1.8. The Minolta AF 24 F2.8 focuses much quieter and faster. The original clip-on petal hood is dinky compared to the Minolta hoods. Expert news, reviews and videos of the latest digital cameras, lenses, accessories, and phones. Canon EF 24mm f/2.8 Specs. Wideangle prime lens | Canon EF Even though some of the reviews have not been extremely enthusiastic, I have no complaints. It's not the Canon EF-RF adapter. The older EF lenses all focus as well or better on the R5 with an You know, I cannot decide -Canon EF 28mm f/1.8 USM vs Canon EF 28mm f/2.8 USM? Camera Canon 700 D, APS-C. I plan for walk around lens. Regards. Oleg. Have owned the 28 1.8 and now the 24 f/2.8 USM (which reviews say IQ-wise is almost identical to the 28 2.8 USM). John Riley reviews the Samyang AF 24mm f/2.8 FE full-frame auto-focus lens for Sony E mount cameras. Canon EF Fit. Like New £1149. Used Samyang AF 35mm f/1.8 - Sony FE Fit. The 20mm ƒ/2.8 was released long before the advent of digital SLR camera bodies, designed to fit a full-size 36 x 24mm film frame. Thus, it will have no problems mounting on either Canon full- or JKEWlrm.