See It Read Our Canon EF 24-70mm f/2.8L II USM Review. 4.0 . Excellent . Canon EF 24-70mm f/4L IS USM. There is a locking switch; it keeps the lens set at its shortest, 24mm position, so the
The Canon lens produces slight to medium amount (1.5%) of barrel distortion. This is rarely noticeable and lower than for most zoom lenses at 24mm. Vignetting Typical for most lenses used on full format cameras, the EF 24mm f/2.8 USM IS shows a heavy light falloff at large aperture settings.
Any lens you mount on a crop camera needs to 1.6 multiplication to find it's equivalent focal length compared to the 24mm x 36mm Full Frame format. You said the 24mm 2.8 and 28mm 1.8 are "wildly different". They are not. On a crop camera the EF-S 24mm is equivalent to 38.4mm and the 28mm is equivalent to 44.8mm.
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.
Canon calls this the Canon EF 28mm f/1.8 USM. EF: Electronic Focus. All modern Canon lenses focus with a motor in the lens. USM: Ultra-Sonic Motor: The focus motor operates silently. There's no "USM" on the lens, instead it says "Ultrasonic" in gold. Focal Length. 28mm.
EF 11-24mm f/4L USM: EF 16-35mm f/2.8L USM: EF 16-35mm f/2.8L II USM: The Digital Lens Optimizer is also available for images shot with an extender attached to a
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canon ef 24mm f 2.8 is usm lens review
