Picture of the lens
Overview
Manufacturer
Mount / Sensor Size
Keywords
Model ID
?
Announced
4/2012
Focus
Focal Length
28mm
Autofocus
Yes
Motor Type
Ring-type ultrasonic
Manual Focus Ring
Yes
DoF Scale
?
Distance Scale
Yes
Minimum Focus
0.25 m
Max Magnification
0.22 x
Aperture
Maximum
F1.8 (2 stops from F1.0)
Minimum
F16
Step Size
?
Blades
7
Aperture Ring
No
Dimension
Length
81 mm
Diameter
73 mm
Filter Diameter ø
67 mm
Weight
330 g
Hood?
Yes
Tripod Collar?
No
Optics
Elements
11
Groups
9
Description
2 aspherical lens elements and lens elements with Nano Crystal Coat
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