Sony SAL2470Z Guia De Especificação

Página de 2
Superb image quality
Two ED glass elements and 2 aspherical  elements help reduce chromatic aberration throughout the focal range.
Carl Zeiss® T* coating
The legendary T* coating from Carl Zeiss makes it possible to design complex optics by reducing internal reflections on multi-element 
lenses minimizing flare and allowing for higher contrast. The result, significantly improved performance throughout the entire optical 
path. 
17 elements in 13 groups
The specially designed grouping of elements includes a floating design between the 3rd and 4th groups allowing for excellent 
compensation of various aberrations caused by zooming.
SSM (Super Sonic wave Motor)
Designed for fast, smooth, silent automatic focusing, this unique technology achieves high torque at low speed with rapid start/stop 
response.  It operates through the ability of a piezoelectric device to reshape itself quickly when voltage is applied.
Convenience without compromise
For those that insist on the quality of a large aperture prime, but want the convenience of a variable focal length, this is a lens that 
brings the best of both worlds. The large F2.8 maximum aperture is maintained throughout the focal range of 24mm - 70mm. 
Focus Hold Button
Focus mode switch and focus hold button offer precision focus control.
Optics/Lens
Lens Type
Standard Zoom
Aperture (Max.)
f/2.8
Aperture (Min.)
f/22 - 29
Focal Length (35mm equivalent)
APS: 24 - 70mm (35mm Equivalent: 36 - 105mm)
Filter Diameter
77mm
Lens Groups-Elements
17 elements, 13 groups
Minimum Focus Distance
1' 1.8” (.34m)
Aspheric Elements
2 aspheric
Distance Encoder
Yes
Distance Scale
Yes
Lens Weight
2 lb. 3 oz (985 g)
Magnification
x 0.25
Weights and Measurements
Dimensions (Approx.)
3 1/4  x 4 3/8” (83 x 111mm)
Weight (Approx.)
2 lb. 3 oz (995 g)
Accessories
Supplied Accessories
Front and rear lens cap
ALC-SH101 Petal lens hood
Lens carrying case
 
Specifications
© 2008 Sony Electronics, Inc.
All rights reserved.  Sony, the Sony logo, Alpha, “&#945” and Super SteadyShot are trademarks of Sony.  All other trademarks are trademarks of their respective owners.
UPC:027242694255 / Updated: August 16, 2012
SAL2470Z
Carl Zeiss® Vario-Sonnar T* 24-70mm f2.8 Zoom Lens
Brilliant performance in compact design.  This superb Carl Zeiss® 
Vario-Sonnar® T* Zoom Lens provides large-aperture f2.8 brilliance, 
all-purpose 24-70mm zoom range and fast, silent auto-focus with 
SSM (Super Sonic wave Motor) design -- plus aspherical and ED glass 
elements to reduce distortion for superior clarity and color (35mm 
equivalent: 36-105mm).