Sigma 21-35mm F3.5-4.2
Announced February 1986


Sigma Ultra Wide Angle Zoom 21-35mm F3.5-4.2

Construction NA Elements in NA Groups
Focal Length 21-35mm
Maximum Aperture ƒ22
Minimum Aperture ƒ3.5-4.5
Field of View NA °
Minimum Focus Distance NA cm
Number of blades 6
Maximum Magnification 1:12
Zooming System Rotary, Clockwise
Filter Size NA mm
Diameter NA mm (max.)
Length NA mm
Weight NA g
SRP at launch: NA
Available Mounts: AF: Canon, Sigma, Minolta, Pentax, Nikon

MF: Nikon, Canon, Minolta, Pentax, Olympus, Ricoh, Contax, Yashica.