Sigma 40mm F1.4 DG HSM Art Series Lens: Canon EF Mount

Key Features
Fast prime for full-frame Nikon F-mount cameras
Inherits the development philosophy behind the Sigma Cine Lens
Optical performance that meets the requirements of high-end cine lenses
16 elements in 12 groups - 3 'FLD' and 3 'SLD' to correct axial chromatic aberration & magnification chromatic aberration
Designed to meet all shooting conditions - weather sealing, high-speed AF and updated HSM
Sigma Cine Lens - high standard and superior optical performance of Sigma's Art lenses
Manual override (MO) capable of switching two full-time manual modes
Minimum focusing distance 40cm, maximum magnification ratio 1:6.5, angle of view (35mm): 56.8°
Also available for Sigma, Canon and Sony E mount camera systems

Specifications:

Aperture Blades 9
Enlargement Ratio 1:6.5
Filter Thread Size (mm) 82
Focal Length – Tele (mm) 40
Focal Length – Wide (mm) 40
Hood Model LH848-01
Included Accessories Case, Petal Type Hood with lock (LH878-01)
Lens Mount Canon EF
Lens Type Standard Prime
Maximum Aperture – Tele 1.4
Maximum Aperture – Wide 1.4
Minimum Aperture 16
Number of Lens Elements 16
Number of Lens Groups 12
Sensor Format Full Frame
Size (mm) ø87.8mm x 131mm
Weight (g) 1200
Angle of view (degrees) 56.8°
Minimum Focus Distance (m) 0.4
Angle of view (degrees) 56.8°
Minimum Focus Distance (m) 0.4