Sigma 17-70mm f/2.8-4 DC Macro OS Lens Specifications and Measurements

Sigma 17-70mm f/2.8-4 DC Macro OS Lens Review

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Specifications	Sigma 17-70mm f/2.8-4 DC Macro OS Lens
Focal Length Range	17-70mm
APS-C Sensor DSLRs Only?	Y
Lenses / Groups	17/13
Angle of View: Diagonal	72.4°- 20.2°
Angle of View: Horizontal
Angle of View: Vertical

Aperture
Aperture Range - Wide / Long	f/2.8-22 / f/4-22
Aperture Max by Focal Length	17-20mm = f/2.8 21-27mm = f/3.2 28-49mm = f/3.5 50-70mm = f/4.0
Number of Aperture Blades	7
Rounded Aperture?

Weight
Manufacturer Specification Weight	535g
Actual Weight	535g
Lens Hood Weight	30g
In-Use Weight	565g

Size
Manufacturer Spec Size (DxL)	79 x 88.9mm
Measured Size (DxL)	78.7 x 96.1mm
Max Length at Full Extension	138.1mm
Internal Zoom? / Extends with Zoom?	N / Y
Zoom Extension Length	41.3mm
Internal Focusing? / Extends with Focusing?	Y / N
Lens Hood Size (DxL)	92.9 x 47.2mm
Lens Length with Hood (Min / Max)	138 / 180.44mm
Size of Rings - Zoom / Focus	34.5mm / 22.3mm
Filter Size	72mm
Front Element (Filter Mount) Rotates	N

Focus
AF Motor Type	HSM
Full Time Manual Focus	N
Focus Ring Rotation	54°
Focus Limiter? / Focus Limiter Ranges
Distance Info Provided to Camera?
Distance Scale? / Type	Y / Printed

Close Focus
Specified Min Focus Distance	220mm
Tested Min Focus Distance (Wide / Long)	209mm / 203mm
Maximum Magnification (MM)	0.37x
MM with 12mm Extension Tube
MM with 25mm Extension Tube
MM with 250D Closeup Lens
MM with 500D Closeup Lens

Features
Zoom Ring Rotation	60°
Tripod Ring Included? / Removable?	N
Zoom Ring Lock Switch?
Lens Hood Included / Model?	Y /
Weather Sealed? / Filter Required?	N
Image Stabilization? / Stops? / Tripod Sensing?	Y / 4 /
Metal Mount?	Y
Extender Compatible?	N
Case Included? / Type?	N /
1200mm x 800mm Subject Framing Distance	On APS-C DSLR: 17mm = 992mm 24mm = 1364mm 28mm = 1595mm 35mm = 1949mm 50mm = 2726mm 70mm = 3685mm

History
Year Introduced	2010