Sigma 10-20mm F3.5 EX DC HSM, Брошюра, Страница: 5 / 28

10-20mm F3.5 EX DC HSM
In the drawing of the lens composition, the symbols mean the following: - Aspherical lens, - SLD glass, - ELD glass, - FLD glass. *Product pictures show Sigma SA mount lenses; appearance of the product may be different depending on the mount type.
•Lens Construction; 11 Groups, 15 Elements
•Minimum Focusing Distance; 24 cm (9.4 in.)
•Magnification; 1:7.8
8-16 mm F4.5-5.6 DC HSM
This is the first ultra wide zoom lens
with a minimum focal length of 8mm
designed especially for APS-C size
image sensors. The wide-angle view
of 121.2°and exaggerated perspective
can be used for emphasizing the
subject. Four FLD glass elements
and three aspherical lenses provide
ultra-high image quality throughout
the entire zoom range and the Super
Multi-Layer Coating reduces flare
and ghosting. The incorporation of
HSM ensures quiet and high speed
AF as well as full-time manual focus
capability.
These lenses are specially designed to optimize the characteristics of APS-C digital SLR cameras.
They have a reduced image circle for a compact and lightweight construction.
The angle of view varies depending on which camera model the lens is used with.
35mm format is approximately 1.5 - 2.0 times the focal length of the lens being used.
DC LENS FOR DIGITAL SLR CAMERA
•Lens Construction; 10 Groups, 13 Elements
•Minimum Focusing Distance; 24 cm (9.4 in.)
•Magnification; 1:6.6 •Filter Size; ø 82 mm
10-20 mm F3.5 EX DC HSM
This ultra-wide zoom lens has a
bright F3.5 aperture throughout the
zoom range. This bright aperture
allows for fast shutter speeds,
making the lens perfect for low light
photography. You can have fun and
be creative with the exaggerated
perspective you get from the 102.4°
angle of view. ELD and SLD glass
ensure superior correction of various
types of aberrations, and the
aspherical lens enables its compact
construction. The Super Multi- Layer
Coating reduces flare and ghosting
and the HSM ensures fast and quiet
autofocus with full-time manual
focus override.
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