SIGMA 24-70mm F2.8 DG OS HSM ART pro Nikon

The professional Sigma 24-70mm f/2.8 DG OS HSM lens of the Art series meets the strictest standards of even the most experienced photographers. Thanks to the latest Sigma technology, it is possible to achieve a clear image with high contrast across the entire image area, including the marginal parts. This product covers the most commonly used focal lengths, so you can just use one lens for most situations and there is no need to change the lenses often. You can use it for taking pictures of landscapes, portraits, and many other scenes. The lens consists of 19 optical elements in 14 groups with an aspheric SLD glass.

SIGMA 24-70mm F2.8 DG OS HSM ART key features

• Compatible with Nikon digital reflex cameras
• Suitable for both full-frame and APS-C cameras
• HSM - an ultrasonic wave motor drive to ensure a quiet and fast AF operation
• Durable body material 
• Dust-proof and water resistant
• Including lens hood

Modern metal design with new materials

The optical layout incorporates 3 special SLD lenses, which very efficiently suppress chromatic aberration and also deliver excellent image quality over the entire zoom range. A large aspherical element with a thinning allows for high luminosity and prevents distortion. Thanks to the improved HSM engine, the focus is very fast. You will also certainly appreciate the dust and moisture resistance. Furthermore, the body is made of TSC - Thermally Stable Composite, which is a material with a high resistance to temperature fluctuations. 
Additional information:
Optical layout:
19 lenses in 14 groups
Viewing Angle:
84.1° - 34.3°
Image ratio:
1: 4.8
Number of aperture blades:
9
Weight:
1 020g
Lens hood:
LH87604