Sigma 28mm F1.8 Aspherical
Launched 1991


A fast wide prime from 1991, displaying Sigma’s expertise with wide angle lenses during the 1980s and 90s

Construction 9 Elements in 8 Groups
Focal Length 28mm
Maximum Aperture ƒ1.8
Minimum Aperture ƒ16
Field of View 75°
Minimum Focus Distance 30cm
Number of blades 7
Maximum Magnification N/A
Zooming System N/A
Filter Size 58mm
Diameter 56.8mm (max.)
Length 69.5mm
Weight 350g
SRP at launch: N/A
Available Mounts: Manual Focus Mounts