Canon EF Lenses Manual - Halaman 3
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Getting Everything In
If your mind's eye calls for a very wide shot, how about one of the
three ultra-wide zoom lenses? The zoom range of these lenses suits
the vast majority of wide-angle shots you will ever take. Or, try a
standard zoom lens with a focal length from wide to telephoto to
get the most out of your camera.
EF 16-35mm f/2.8L USM
•f/2.8 •2 sec.
* The icons are described on pages 34-38
"EF Lens Technologies"
EF 16-35mm f/2.8L USM
A superb lens that covers nearly every
professional wide-angle task. Out-
standing optical performance comes
from three Aspherical lens elements,
and (for the first time ever in an EF
wide-angle zoom lens) two Ultra-low
Dispersion UD elements. Weather-
resistant construction, a rear gel filter
holder, close-focusing to 11 inches
(0.28m), and a circular diaphragm are
among its many highlights.
4
EF 17-40mmf/4L USM
•f/8 •1/250 sec.
EF 17-40mm f/4L USM
About half the price of the 16-35 f/2.8
lens, this L-series lens has an entirely
new optical design with three Aspherical
elements and a Super UD-glass element.
The combination provides superb
contrast and sharpness, even at the
widest settings. It's ideal for both film
and digital SLRs, and features the same
weather-resistant design, rear gel filter
holder, and high-speed Ultrasonic
Motor as the EF 16-35mm lens.
U LT R A - W I D E ZO O M L E N S E S
EF 20-35mm f/3.5-4.5 USM
A superior performance ultra-wide-
angle zoom lens, covering the entire
range of popular wide-angle focal
lengths. A ring-type USM and an inner
focus design provide fast and silent AF,
along with full-time manual focus
override. Priced within the range of
serious photo enthusiasts, it's a great
all-around choice.
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5
Aspherical lens
UD lens