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

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	18.9 oz
Actual Weight	18.9 oz
Lens Hood Weight	1.1 oz
In-Use Weight	19.9 oz
Size
Manufacturer Spec Size (DxL)	3.11 x 3.5”
Measured Size (DxL)	3.1 x 3.78”
Max Length at Full Extension	5.44”
Internal Zoom? / Extends with Zoom?	N / Y
Zoom Extension Length	1.63”
Internal Focusing? / Extends with Focusing?	Y / N
Lens Hood Size (DxL)	3.66 x 1.86”
Lens Length with Hood (Min / Max)	5.43 / 7.1”
Size of Rings - Zoom / Focus	1.36” / 0.88”
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	8.7”
Tested Min Focus Distance (Wide / Long)	8.23” / 7.99”
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 /
47.25" x 31.5" Subject Framing Distance	On APS-C DSLR: 17mm = 3.25' 24mm = 53.70' 28mm = 5.23' 35mm = 6.39' 50mm = 8.94' 70mm = 12.09'
History
Year Introduced	2010

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