Large aperture telephoto zoom lens incorporating Sigma's original
Optical Stabilizer function.
This large aperture telephoto zoom lens, incorporating Sigma's original
Optical Stabilizer function, covers focal lengths from 70mm to 200mm and offers
a constant aperture of F2.8 over the entire zoom range. The OS function offers
the use of shutter speeds approximately 4 stops slower than would otherwise be
possible. It makes shooting easy for many types of photography such as portraits
and sports. Two FLD (F Low Dispersion) glass elements, which have performance
equal to fluorite glass, and three SLD (Special Low Dispersion) glass elements
provide excellent correction of color aberration. Super Multi-Layer Coating
reduces flare and ghosting. The lens incorporates HSM (Hyper Sonic Motor),
ensuring a quiet and high speed AF as well as full-time manual focus capability.
It is also possible to attach Sigma's optional APO Tele Converters.
Ideal for handheld photography
The lens is equipped with Sigma's own unique OS (Optical Stabilizer) function.
This system offers the use of shutter speeds approximately 4 stops slower than
would otherwise be possible, making telephoto shooting easy. Mode 1 is ideal for
general photography and Mode 2 is designed for panning subjects such as racing
cars. For Sony and Pentax mount, the built-in OS function of this lens can be
used even if the camera body is equipped with an anti-shake function. As
compensation for camera shake is visible in the view finder, the photographer
can easily check for accurate focus and ensure there is no subject movement.
This lens has a compact construction with a diameter of 86.4mm(3.4in.), overall
length of 197.6mm(7.8in.) and weight of 1,430g(50.4oz.). This compact and
lightweight construction makes it ideal for many types of photography such as
portraits, landscapes and sports.
Excellent Optical Performance
This lens features two FLD (F Low Dispersion) glass elements, which have the
performance equal to fluorite glass, and three SLD (Special Low Dispersion)
glass elements providing excellent correction of color aberration. The Super
Multi-Layer Coating reduces flare and ghosting and ensures high contrast images.
High image quality is assured throughout the entire zoom range.
High speed and quiet AF
The lens incorporates HSM (Hyper Sonic Motor), ensuring high speed and quiet AF
as well as full time manual focus capability.
Inner focusing and inner zooming system
The lens design incorporates an inner focusing and inner zooming systems. The
overall length of the lens does not change during focusing and zooming, ensuring
convenient handling. The inner focusing system also eliminates front lens
rotation, making the lens particularly suitable for using circular polarizing
filters and the supplied petal-type lens hood.
Close focusing capability
This lens has a minimum focusing distance of 140cm(55.1in.) throughout the
entire zoom range and a maximum magnification ratio of 1:8.
This lens has a rounded 9 blade diaphragm which creates an attractive bokeh to
the out of focus area.
TS-21 Tripod Collar
The TS-21 removable Tripod Collar is included as a standard component.
HA850-01 Hood Adapter
This supplied Lens Hood adapter extends the length of the lens hood and provides
more effective shading when used with digital cameras with an APS-C size images
APO Tele-Converter (Optional)
The addition of the optical 1.4x EX DG APO or 2x EX DG APO Tele Converters
produce a 98-280mm F4 AF telephoto zoom lens or a 140-400mm F5.6 AF telephoto
zoom lens respectively (Not compatible with the Pentax mount).