Sigma 12-24mm f/4.5-5.6 EX DG HSM II

S igma announces a new 12-24mm F4.5-5.6 DG HSM II Lens The new Sigma 12-24mm HSM II lens features a single SLD plus four FLD glass elements that compensate for color aberration and present excellent image quality all the way through the complete zoom range. In addition, three glass molded elements plus one aspherical hybrid lens provide advanced quality in a lightweight and compact encasement, while Super Multi-Layer Coating cuts down on ghosting and flare.

This lens features superior peripheral brilliance and captures sharp, high contrast photographs even shooting at maximum aperture openings.

Encompassing a Hyper Sonic Motor (HSM) allows silent and high speed AF while providing for manual focus override that is full-time. The new 12-24 lens provides a minimum focus space of 28cm (11.0") through the total zoom extent, plus a maximum 1:6.4 magnification ratio . additionally, it comes with Sigma’s splash proof engineering allowing it to be used in harsh conditions. Mar 3, 2011

Features

• Ultra wide angle of view
• One SLD and four FLD lens elements
• Splash proof design
• Minimum focusing distance of just 28cm
• HSM for fast and quiet autofocus

Specifications

Overview
Lens style	Zoom lens
Max Format Size	35mm FF
Lens focal length	12 – 24 mm
Stabilization type	No
Camera mount	Canon EF, Sigma SA, Nikon F (FX)
Diagonal Angle of view (FF)	122 - 84.1º
Aperture (lens diaphragm)
Largest aperture opening	F4.5 - F5.6
Smallest aperture opening	F22.0
Includes aperture ring	No
Total diaphragm blades	5
Optical
Total Elements	17
Number of Groups	13
Coatings / special elements	4 FLD glass elements 1 SLD glass element 3 glass mold aspherical elements 1 hybrid aspherical element
Focusing
Minimum focus distance	0.28 m (11.02")
Maximum magnification ratio	0.16 x
Autofocus type	Yes
Lens motor	Ring-type ultrasonic
Full time manual focus	Yes
Focusing method	Internal
Lens distance scale	Yes
Depth of field scale	No
Physical features
Lens diameter	87 mm (3.43")
Overall length	120 mm (4.73")
Sealing	Yes
Zooming method	Rotary (internal)
Power zoom	No
Zoom lock switch	No
Filter annotations	Filters cannot be attached to this lens
Lens hood included	Yes
Lens hood code	Built-in
Tripod collar included	No

Item Includes

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Accessories