Sigma 20mm f/1.8 EX DG Lens Specifications and Measurements

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SpecificationsSigma 20mm f/1.8 EX DG Lens
  Sigma 20mm f/1.8 EX DG Lens
APS-C Sensor DSLRs Only? N
Lenses / Groups
Angle of View: Diagonal
Angle of View: Horizontal
Angle of View: Vertical
Aperture Range - Wide / Long f/1.8-22
Number of Aperture Blades
Rounded Aperture?
Manufacturer Specification Weight 520g
Actual Weight
Lens Hood Weight
In-Use Weight
Manufacturer Spec Size (DxL) 89 x 87mm
Measured Size (DxL)
Max Length at Full Extension
Internal Zoom? / Extends with Zoom?
Internal Focusing? / Extends with Focusing? /
Lens Hood Size (DxL)
Lens Length with Hood (Min / Max)
Size of Rings - Zoom / Focus /
Filter Size
Front Element (Filter Mount) Rotates
AF Motor Type
Full Time Manual Focus
Focus Limiter? / Focus Limiter Ranges
Distance Scale? / Type Y / Window
Close Focus  
Specified Min Focus Distance 200mm
Tested Min Focus Distance (Wide / Long)
Maximum Magnification (MM)
Magnification Range with 12mm Ext Tube
Magnification Range with 25mm Ext Tube
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? N
Extender Compatible? N
Case Included? / Type? /
1200mm x 800mm Subject Framing Distance
Year Introduced
Review Sigma 20mm f/1.8 EX DG Lens
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