Sigma's third generation 12-24mm f/4 DG HSM Art Lens, available here with a Canon EF mount, refines their ultra-wide arena and delivers an image with little distortion and with a high resolution for crisp photos with a modern full-frame digital image sensor. A member of Sigma's Art series, it boasts high image quality which is helped out by the use of FLD and aspherical elements, including an 80mm large-diameter molded glasses aspherical lens, that minimizes aberrations and distortion. Furthermore, it uses a Super Multi-Layer coating that minimizes flare and ghosting. Benefitting handling, the 12-24mm is equipped with a Hyper Sonic AF motor with an optimized algorithm for speed and accuracy. The lens also offers a large focusing ring with full-time manual override settings for quickly making adjustments. A rounded 9-blade diaphragm improves image quality by helping create smooth bokeh while the lens is constructed from a lightweight and durable thermally-stable composite.

General

• Filter Thread: none
• Dimensions (D x L): 4.02 x 5.18 inches
• Weight:  40.6 ounces 

Lens Performance

• Focal Length: 12 - 24mm
• Aperture: f/4 - f/22
• Camera Mount Type: Nikon F
• Format Compatibility: 35mm Film / Full-Frame Digital Sensor
• Lens Construction - 16 elements in 11 groups
• Angle of View (35mm) - 122 - 84.1 Degrees
• Maximum Magnification Ratio - 1:4.9
• Number of Diaphragm Blades: 9 (Rounded diaphragm)
• Minimum Focusing Distance: 9.45 inches

Features

• Autofocus: Yes

• Sigma 12-24mm f/4 DG HSM Art Lens
• Lens Case
• Brand New Factory Fresh Import Model