Sigma Full Line Catalog - page 29

29
EX LENS
Sigma’s professional-grade prime
lenses and wide-aperture zoom lenses
that maintain their maximum F-number
regardless of zoom position.
EX
HYPER-SONIC MOTOR
Using a motor driven by ultrasonic waves,
these lenses offer speedy autofocusing
and quiet operation.
HSM
ASPHERICAL LENS
Aspherical lenses offer greater design
latitude, raise performance, permit use
of fewer lens elements, and allow a
more compact size.
ASP
INNER FOCUS
To increase stability, this lens con-
figuration uses movable internal lens
elements that adjust focus without
changing the length of the lens barrel.
IF
LOW DISPERSION LENS
These lenses include one or more ele-
ments made of ELD (Extraordinary Low
Dispersion), FLD (“F” Low Dispersion),
or SLD (Special Low Dispersion) glass,
which help minimize chromatic aberra-
tion, which can harm image quality.
ELD/FLD/SLD
REAR FOCUS
Rear focus is one type of Sigma inner
focus system, in which focusing is per-
formed by moving particular elements
within the lens interior.
RF
OPTICAL STABILIZER
An Optical Stabilizer mechanism built
into the lens helps assure a sharp image
while giving you freedom of movement
and more latitude in camera settings.
OS
TELECONVERTER-COMPATIBLE LENS
This indicates a lens that will accept
available Sigma APO TELE CONVERTER
attachments, which increase focal
length and support AE (automatic expo-
sure) operation.
CONV
Note: OS and HSM are not included on mounts for certain camera systems. Please refer to the major distinguishing characteristics on 30-31page.
17-70mm
Indicates range of focal length. The
larger the number, the greater the mag-
nification of distant objects. The smaller
the number, the wider the angle of view.
F2.8-4
Indicates maximum aperture. The
smaller the number, the “faster” the
lens, meaning more light can enter to
allow shooting under dim illumination.
If only a single figure is given, the lens
is a prime (fixed focal length) lens or
a zoom lens that maintains the same
F-number regardless of zoom position.
If the maximum aperture of a zoom lens
changes depending on zoom position, it
is expressed thus: F2.8-4.
EX
Indicates Sigma’s professional-grade
prime and zoom lenses. Generally, these
lenses retain the same maximum aper-
ture regardless of zoom position.
DC
Indicates high-performance lenses de-
signed especially for DSLRs with APS-C
size image sensors. Vignetting will
result if used on larger sensors. Lenses
suitable for DSLRs having full-frame
sensors are indicated by the DG mark,
and lenses exclusively for mirrorless
interchangeable lens cameras are indi-
cated by the DN mark.
OS
Indicates lenses incorporating an Op-
tical Stabilizer (OS) to compensate for
camera shake.
HSM
Indicates lenses equipped with a hyper-
sonic motor.
Please refer to the examples below to interpret the Sigma product names listed in
this catalog. For further details on abbreviations, please see the Sigma Lens Tech-
nology section on page 24-25.
Abbreviations used in the product names in this catalog
REFERENCE
Abbreviations used in this catalog to indicate function
FUNCTION
17-70mm F2.8-4 DC MACRO OS HSM /
DC MACRO HSM
Caseandhood (LH780-03) included
High-performanceandcompact—large-apertureAPS-C formatstandardzoom lens
Covering the standard zoom range, the lens has a focal range equivalent to 25.5-105mm on a
35mm lens. Thanks to Sigma's latest technologies, it's exceptionally lightweight and 30% more
compact by volume than previous lenses of its type. Its low F-number equips photographers to
shootsubjectsatextremelyclose range,making this theperfect lens for travel, familyphotos,ar-
tisticcompositions,andmanyotheruses.Acomplement touncompromisingopticalperformance,
HA680-01
UPC code: 928032
HA780-01
UPC code: 928049
HA850-01
UPC code: 927332
HA850-02
UPC code: 927462
HA927-01
UPC code: 929336
HA1030-01
UPC code: 927318
LH520-03
UPC code: 929831
LH550-02
UPC code: 922917
LH620-01
UPC code: 924218
LH635-01
UPC code: 501006
LH680-01
UPC code: 917302
LH680-03
UPC code: 928025
LH680-04
UPC code: 929008
LH686-01
UPC code: 929824
LH730-03
UPC code: 929466
LH780-03
UPC code: 929602
LH780-05
UPC code: 927936
LH780-06
UPC code: 930127
LH825-03
UPC code: 916800
LH825-04
UPC code: 510244
LH829-01
UPC code: 926557
LH830-01
UPC code: 926045
LH850-02
UPC code: 927301
LH850-03
UPC code: 927455
LH873-01
UPC code: 926939
LH875-02
UPC code: 916794
LH876-01
UPC code: 926731
LH876-02
UPC code: 930189
LH927-01
UPC code: 926052
LH1030-01
UPC code: 927059
LH1196-01
UPC code: 194000
LH1220-01
UPC code: 929657
LH1236-01
UPC code: 183004
LH1571-01
UPC code: 151003
LH1571-02
UPC code: 921637
LENS ACCESSORIES
LENS HOOD
LENS ACCESSORIES
HOOD ADAPTER
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