Canon EF Lenses Руководство - Страница 7

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EF 100-400mm f/4.5-5.6L IS USM

•f/14 •1/80 sec.

EF 75-300mm f/4-5.6 III

The most affordable of Canon's long

telephoto zooms, this lens is excellent

for subjects from portraits to wildlife and

nature. It shares the same 13-element

optical system as the 75-300mm USM

lens, but uses a DC motor for autofocus.

Close-focusing down to 4.9 feet (1.5m)

allows filling the frame (at 300mm) with

a subject the size of a dollar bill, and

it's compatible with the Canon 58mm

Close-up lens 500D for even more

spectacular shots of small objects.

EF 75-300mm f/4-5.6 IS USM

A significant lens in the history of Canon

optics, this was the first SLR lens in the

world to offer Image Stabilization —

providing up to two stops of improvement

in hand-held capability at slow shutter

speeds. Its 15-element optical formula

is unique, but it offers capabilities

similar to Canon's 75-300 versions

without IS. Image Stabilization gives

this lens amazing real-world sharpness

in many situations, and is especially

advantageous when combined with

lightweight camera bodies.

EF 100-300mm f/4.5-5.6 USM

This affordable and lightweight zoom

differs from the 75-300mm models

with its higher-performance ring-type

Ultrasonic focusing motor and superior

AF speed. It also uses rear group

focusing, so the front elements never

rotate during focusing, and adds full-

time manual focusing capability. It's

excellent not just for outdoor sports,

but any subjects requiring the versatility

of a telephoto zoom.

T E L E P H OTO ZO O M L E N S E S

EF 35-350mm f/3.5-5.6L USM

A unique professional L-series lens,

covering an amazing 10x zoom range

from wide-angle to super-telephoto. It's a

magnificent choice for travel photography

and other outdoor applications. The

zoom control has a separate ring to adjust

or lock the zooming action, enhancing

its already excellent handling. The 21-

element optical formula includes two

UD-glass elements, and at its 135mm

zoom setting, close-focusing to two feet

(0.6m) is possible.

EF 100-400mm f/4.5-5.6L IS USM

A truly professional L-series telephoto

zoom lens with Image Stabilization,

making hand-holding practical even at

its 400mm focal length. Both a Fluorite

and a Super UD-glass element ensure

outstanding contrast and sharpness,

and it accepts the EF Extenders 1.4x II

and 2x II. A ring-type USM makes AF

fast and silent down to 5.9 feet (1.8m),

and of course it offers full-time manual

focus override. This durable L-series

lens is regarded by many pros as one of

the world's finest telephoto zooms for

hand-held outdoor use.

●

Fluorite lens

UD lens

Super UD lens