Picture of the lens
Overview
Manufacturer
Mount / Sensor Size
Keywords
Model ID
?
Announced
8/2010
Focus
Focal Length
400mm
Stabilization
Yes
Autofocus
Yes
Motor Type
Ring-type ultrasonic
Manual Focus Ring
Yes
DoF Scale
No
Distance Scale
Yes
Minimum Focus
2.7 m
Max Magnification
0.17 x
Aperture
Maximum
F2.8 (3 stops from F1.0)
Minimum
F32
Step Size
?
Blades
9
Aperture Ring
No
Dimension
Length
343 mm
Diameter
163 mm
Filter Diameter ø
52 mm
Weight
3850 g
Hood?
Yes
Tripod Collar?
Yes
Optics
Elements
16
Groups
12
Description
Fluorite elements Sub-Wavelength Structure Coating
Links