Overview
Focus
Focal Length
18mm
Autofocus
Yes
Motor Type
Linear Motor
Manual Focus Ring
?
Minimum Focus
0.25 m
Max Magnification
0.11 x
Aperture
Maximum
F2.8 (3 stops from F1.0)
Minimum
F22
Step Size
?
Blades
?
Aperture Ring
No
Dimension
Length
80 mm
Diameter
78 mm
Filter Diameter ø
77 mm
Weight
330 g
Hood?
Yes
Tripod Collar?
No
Optics
Elements
11
Groups
10
Description
4 aspherical, 7 'special glass' elements
Links
