Sigma 17-50mm f/2.8 EX DC OS HSM Lens Specifications and Measurements

Specifications	Sigma 17-50mm f/2.8 EX DC OS HSM Lens
Focal Length Range	17-50mm
APS-C Sensor DSLRs Only?	Y
Lenses / Groups	17/13
Angle of View: Diagonal	72.4-27.9°
Angle of View: Horizontal
Angle of View: Vertical
Aperture
Aperture Range - Wide / Long	f/2.8-22
Number of Aperture Blades	7
Rounded Aperture?
Weight
Manufacturer Specification Weight	19.9 oz
Actual Weight	19.9 oz
Lens Hood Weight	1.1 oz
In-Use Weight	21 oz
Size
Manufacturer Spec Size (DxL)	3.29 x 3.61”
Measured Size (DxL)	3.25 x 3.94”
Max Length at Full Extension	4.91”
Internal Zoom? / Extends with Zoom?	N / Y
Zoom Extension Length	1.02”
Internal Focusing? / Extends with Focusing?	Y / N
Lens Hood Size (DxL)	3.78 x 1.62”
Lens Length with Hood (Min / Max)	5.27 / 6.33”
Size of Rings - Zoom / Focus	1.38” / 0.75”
Filter Size	77mm
Front Element (Filter Mount) Rotates	N
Focus
AF Motor Type	HSM
Full Time Manual Focus	N
Focus Ring Rotation	42°
Focus Limiter? / Focus Limiter Ranges	N
Distance Info Provided to Camera?
Distance Scale? / Type	Y / Printed
Close Focus
Specified Min Focus Distance	11”
Tested Min Focus Distance (Wide / Long)	9.17” / 9.17”
Maximum Magnification (MM)	0.20x
MM with 12mm Extension Tube
MM with 25mm Extension Tube
MM with 250D Closeup Lens
MM with 500D Closeup Lens
Features
Zoom Ring Rotation	51°
Tripod Ring Included? / Removable?	N
Zoom Ring Lock Switch?	N
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?	Y /
47.25" x 31.5" Subject Framing Distance	On APS-C DSLR: 17mm = 3.24' 21mm = 3.93' 28mm = 5.10' 35mm = 6.36' 50mm = 8.62'
History
Year Introduced	2010

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