Sigma 50mm f/2.8 EX DG Macro Lens Specifications and Measurements

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

Aperture
Aperture Range - Wide / Long	f/2.8-45
Number of Aperture Blades
Rounded Aperture?

Weight
Manufacturer Specification Weight	315g
Actual Weight	315g
Lens Hood Weight	20g
In-Use Weight	335g

Size
Manufacturer Spec Size (DxL)	72 x 64mm
Measured Size (DxL)	72.9 x 74.6mm
Max Length at Full Extension	1117mm
Internal Zoom? / Extends with Zoom?
Internal Focusing? / Extends with Focusing?	N / Y
Focus Extension Length	37.4mm
Lens Hood Size (DxL)	75.9 x 26mm
Lens Length with Hood (Min / Max)	99.4 / 136mm
Size of Rings - Zoom / Focus	23mm /
Filter Size	55mm
Front Element (Filter Mount) Rotates	N

Focus
AF Motor Type
Full Time Manual Focus	N
Focus Ring Rotation	205°
Focus Limiter? / Focus Limiter Ranges
Distance Info Provided to Camera?
Distance Scale? / Type	Y / Printed

Close Focus
Specified Min Focus Distance	190mm
Tested Min Focus Distance (Wide / Long)
Maximum Magnification (MM)	1.00x
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?	N
Lens Hood Included / Model?	Y /
Weather Sealed? / Filter Required?	N
Image Stabilization? / Stops? / Tripod Sensing?	N
Metal Mount?	Y
Extender Compatible?
Case Included? / Type?	/
1200mm x 800mm Subject Framing Distance	50mm = 1745mm

History
Year Introduced	1998