Lens Description: The Canon EF 24mm f/2.8 IS USM lens is the ideal entry focal length into the world of ultra wide-angle photography. A compact, fixed focal length 24mm lens equipped with Canon's Optical Image Stabilizer technology that offers up to 4 stops of shake correction along with a ring-type USM and advanced CPU with optimized AF algorithms for fast auto focusing.

BTW (as I was looking for an MTF on the 200/2) the 200/2.8-II plot is titled “Canon 200mm f2.0L II”, which I assume will never exist in EF… Mikhail Rusin Nice work Roger!
Canon has been discontinuing many lenses in its EF catalog, and a new report alleges it has gotten particularly aggressive in the last month. EF 24mm f/2.8 IS USM ; EF 28mm f/2.8 IS USM ; EF

has a silent focus motor built into the lens. Canon RF 24mm f/1.8 Macro IS STM. Canon RF 28-70mm f/2L USM. Lenses with built-in focus motor focus faster and more quietly than lenses without a focus motor which rely on the camera's body focus motor. minimum focus distance.

Has full-time manual focus. Canon EF 35mm F/2 IS USM. Canon EF-S 24mm F/2.8 STM. With full-time manual focus, you can move the focus ring whilst it is in AF (autofocus) mode. This means that you can make manual adjustments once the AF has finished, without changing to manual mode.
Compare Canon EF 24mm f 2.8 IS USM Lens vs Canon EF-S 18-55mm f 3.5-5.6 IS II Lens White Box vs Canon EF-S 18-55mm f 3.5-5.6 IS STM Lens White Box vs Canon EF-S 24mm f 2.8 STM Lens
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canon ef 24mm 2.8 is usm