Free Shipping On Orders Over $75. Call a photography expert: 1-770-333-4200. Description. The Canon EF 100mm f/2.8 L IS Macro USM is state of the art professional grade lens. While it excels especially at close-up photography the lens is still an extremely capable choice for other applications such as portraiture.
Lenses with a built-in focus motor can autofocus even if the camera does not have its own focus motor. Has full-time manual focus. Canon EF 17-40mm f/4L USM. Canon EF 20mm F/2.8 USM. With full-time manual focus, you can move the focus ring whilst it is in AF (autofocus) mode.
Lean and Powerful. The EF 400mm f/2.8L IS III USM offers you the superb image quality of a Canon L series super telephoto in a new, lightweight form that makes it the world’s lightest 400mm f/2.8 lens*. A meticulous optical redesign means reduced flare and ghosting thanks to Super Spectra Coating (SSC) and Air Sphere (ASC), a shorter minimum
Canon EF 50mm f/1.4 USM; Canon EF 70-200mm f/2.8L IS III USM; Micro USM Lenses. The Micro USM motor isn’t connected to the element group directly. Instead, Micro USM lenses use a gear-system motor. The ultrasonic vibrations move the gears, and the gears then move the glass to focus. A Micro USM motor is similar to a DC motor.
The EF-S 17-55 f/2.8 IS has the same f/2.8 maximum aperture as the EF 24-70mm f/2.8L II USM so both lenses will perform the same. At concerts your 70-200 f/2.8 likely performs better, because you are zoomed into where the stage lighting is having an impact on exposure, and a wider angle lens is covering darker areas in addition to the stage lit
Not that this is a good reason for going with the 28, but the 28mm 2.8 IS measures slightly less distortion and vignetting, and better transmission than the 24mm 2.8 IS. Consequently, DXO rates the 28mm slightly better than the 24mm - even though they measure the 24mm to be slightly sharper.
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canon ef 24 2.8 is usm
