Product Description
Low light shooting
At f/1.2, the lens shares the maximum aperture of any lens in Canons
current range. As such, it is ideal for shooting indoors using available light "
a typical requirement of photojournalists and wedding photographers not wishing
to disturb or influence a scene with flash.
Fast auto focus
Canons latest Ring-type Ultrasonic Motor USM (USM), high speed CPU and
improved AF algorithms combine to ensure rapid, highly responsive auto focus.
Canons Ring-type USM holds the lens with precision and accuracy, the instant it
arrives at the correct focus and without overshoot, and features full-time
manual focus override.
Portrait photography
The combination of an almost circular aperture diaphragm for attractive
bokeh (evenly graduated blurring of out-of-focus areas) and the extremely narrow
depth of field at its widest aperture combine to make this an ideal portraiture
and studio lens. The f/1.2 aperture can be used to bring tension to a shot by
keeping the focus sharp on the subjects eyes while blurring other facial
features.
L-series construction
The L-series is Canons elite professional lens range, designed and
built to meet the needs of the most demanding professional photographers. To
match the weather resistance afforded by EOS-1 series camera bodies, seals and
gaskets and a lens mount O-ring prevent the ingress of dust and moisture to keep
pros shooting in inclement conditions.
Aspheric element
To combat the softening caused by spherical aberration in conventional
wide aperture lenses, a large aspherical lens element with precise variable
curvature is incorporated into the 8 lens, 6 group construction. The aspheric
element ensures high sharpness and contrast throughout the focus and aperture
range.
Super Spectra coatings
In addition to optimised lens shapings to reduce reflections and the
use of anti-reflective material inside the lens barrel, the EF 50mm f/1.2L USM
employs Canons patented Super Spectra lens element coatings. These suppress
flare and ghosting " more prone to occur with digital cameras due to reflection
off the image sensor. By increasing light absorption, coatings reduce
reflections off lens element surfaces to deliver crisp, undistorted images with
natural colour balance.
E-TTL II flash integration
The EF 50mm f/1.2L USM transmits distance information to the E-TTL II
flash system of all current model digital EOS cameras, improving flash exposure
metering when used in conjunction with Canons range of EX Speedlite flash
units.
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