Sigma 10-20mm F3.5 EX DC HSM, Брошюра, Страница: 6 / 28

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.
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•Lens Construction; 13 Groups, 17 Elements
•Minimum Focusing Distance; 22cm (8.7in.)
•Magnification; 1:2.7 •Filter Size; 72mm
This is a large-aperture standard zoom
lens with close up capability for digital
cameras. It has an open-aperture
value of F2.8 (at 17mm setting) and is
equipped with Sigma's own Camera
Shake Compensation OS (Optical
Stabilizer) System. It covers the most
frequently used focal lengths, so is ideal
for snapshots, portraits, sports action
and other everyday scenes. The lens has
a 4.7cm (1.9 inches) working distance
between the front of the lens and the
subject making it convenient for taking
close-up pictures. ELD (Extraordinary
Low Dispersion) glass and aspherical
lens elements ensure superior correction
of various types of aberrations and
deliver high quality images throughout
the entire zoom range. Sigma's Super
Multi-Layer Coating is used to minimize
the occurrence of flare and ghosting.
The HSM makes fast AF speeds and
quiet shooting a reality. It also has a
circular diaphragm creating beautiful
out-of-focus backgrounds
17-70 mm F2.8-4 DC MACRO OS HSM
•Lens Construction; 12 Groups, 16 Elements
•Minimum Focusing Distance; 30 cm (11.8 in.)
•Magnification; 1:4.1 •Filter Size; ø 67 mm
This is a large-aperture standard
zoom lens for digital camera use only.
It is equipped with an OS(Optical
Stabilizer) System which allows
handheld shooting, even in low-light
conditions. The lens has an open-
aperture value of F2.8 at the 18mm
wideangle setting, and utilises SLD
glass and aspherical lens elements
to reduce various aberrations.
The Super Multi-Layer coating
minimizes the occurrence of flare and
ghosting and delivers high quality
images at all focal lengths. It has a
minimum focusing distance of 30cm
throughout the entire zoom range
and a maximum magnification ratio
of 1:4.1. The HSM makes fast and
quiet autofocus a reality.
18-50 mm F2.8-4.5 DC OS HSM
•Lens Construction; 13 Groups, 17 Elements
•Minimum Focusing Distance; 28 cm (11.0 in.)
•Magnification; 1:5 •Filter Size; ø 77 mm
This is a large-aperture standard
zoom lens with a minimum focal
length of 17mm. It is equipped
with Sigma’s own camera shake
compensation OS system which
reduces camera shake by about
4 stops. With a total length of
91.8mm, the compact lens body is
ideal for travel photography. Two
FLD glass elements, two glass
mold and one hybrid aspherical
lens provide excellent correction for
all types of aberrations. The Super
Multi-Layer Coating reduces the
occurrence of flare and ghosting. This
lens is capable of producing sharp
and high contrast image from open
aperture, with plenty of marginal
illumination. The HSM ensures fast
AF and makes quiet shooting a
reality.
17-50 mm F2.8 EX DC OS HSM
18-250mm F3.5-6.3 DC OS HSM
•Lens Construction; 10 Groups, 14 Elements
•Minimum Focusing Distance; 24 cm (9.4 in.)
•Magnification; 1:6.7 •Filter Size; ø 77 mm
10-20 mm F4-5.6 EX DC HSM
10-20
mm
F4-5.6 EX DC
This is an ultra-wide zoom lens
for digital SLR camera use only,
ideal for capturing the grandeur of
landscapes and images with unique
perspectives. Because it has a
minimum focusing distance of only
24 cm, a small nearby subject can be
shot against a far-off background.
SLD (Special Low Dispersion) glass
and aspherical lens elements
are used for high image quality
throughout the entire zoom range.
The HSM model makes fast AF
speeds and quiet shooting a reality.
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