Overview
Focus
Focal Length
18mm
Autofocus
Yes
Motor Type
Stepper motor
Manual Focus Ring
?
Minimum Focus
0.25 m
Max Magnification
0.09 x
Aperture
Maximum
F2.8 (3 stops from F1.0)
Minimum
F22
Step Size
?
Blades
7
Aperture Ring
No
Dimension
Length
61 mm
Diameter
64 mm
Filter Diameter ø
58 mm
Weight
145 g
Hood?
?
Tripod Collar?
?
Optics
Elements
9
Groups
8
Description
2 HR, 3 aspherical, 3 ED elements + UMC coating
Links
