Sigma 18-50mm f/2.8 EX DC Lens Specifications and Measurements

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Specifications	Sigma 18-50mm f/2.8 EX DC Lens
Focal Length Range	18-50mm
APS-C Sensor DSLRs Only?	Y
Lenses / Groups
Angle of View: Diagonal
Angle of View: Horizontal
Angle of View: Vertical

Aperture
Aperture Range - Wide / Long	f/2.8-
Number of Aperture Blades
Rounded Aperture?

Weight
Manufacturer Specification Weight	445g
Actual Weight
Lens Hood Weight
In-Use Weight

Size
Manufacturer Spec Size (DxL)	74 x 84mm
Measured Size (DxL)
Max Length at Full Extension
Internal Zoom? / Extends with Zoom?	/ Y
Internal Focusing? / Extends with Focusing?	/ N
Lens Hood Size (DxL)
Lens Length with Hood (Min / Max)
Size of Rings - Zoom / Focus	/
Filter Size
Front Element (Filter Mount) Rotates

Focus
AF Motor Type
Full Time Manual Focus
Focus Limiter? / Focus Limiter Ranges	N
Distance Info Provided to Camera?
Distance Scale? / Type	N

Close Focus
Specified Min Focus Distance	280mm
Tested Min Focus Distance (Wide / Long)
Maximum Magnification (MM)
MM with 12mm Extension Tube
MM with 25mm Extension Tube
MM with 250D Closeup Lens
MM with 500D Closeup Lens

Features
Tripod Ring Included? / Removable?	N
Zoom Ring Lock Switch?
Lens Hood Included / Model?	Y /
Weather Sealed? / Filter Required?	N
Image Stabilization? / Stops? / Tripod Sensing?	N
Metal Mount?	Y
Extender Compatible?	N
Case Included? / Type?	/
1200mm x 800mm Subject Framing Distance	On APS-C DSLR:

History
Year Introduced