The EX for Sigma indicates pro quality, and this lens is indeed sturdy. At 1.4 pounds, though, for a variable aperture, it’s got a weight problem.

Standout Spec: Only slight barrel distortion (0.22%) at 12mm.

Product Specifications

Lens Type: Zoom
Compatibility: Full Frame
Range: Super Wide Angle, Wide Angle
Mount: Canon, Four Thirds, Nikon, Pentax, Sigma, Sony
Auto Focus: Yes
Full-Time Manual Focus Override: No
Silent AF: Yes
Zoom: Yes
Minimum Focal Length: 12 mm
Maximum Focal Length: 24 mm
Fastest Aperture: f/4.5
Slowest Aperture: f/22.0
Image Stabilization: No
Elements: 16
Groups: 12
Filter Size:
Length: 4.0 inches
Weight: 21.2 ounces
Price: $860.00
Tripod Collar: No
Included Case: Yes
Macro: No
Tilt/Shift: No
Model Number: