Sigma 18-50mm f/2.8-4.5 DC OS HSM lens

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18-50mm f/2.8-4.5 DC OS HSM lens
D5000 with 18-50mm.JPG
Key features
Maker: Sigma Corporation
Image stabilization: Yes Yes
Ultrasonic motor: Yes Yes
Short back focus: No No
Macro capable: No No
Application: Wide-angle
Technical data
Focal length: 18-50mm
Aperture (max/min): f/2.8 - f/22
Construction: 12 groups / 16 elements
# Diaphragm blades: 7
Close focus distance: 30cm
Max. magnification: 1:4.1
Max. diameter: 74mm
Max. length: 88.6mm
Weight: 395 g
Filter diameter: 67 mm
Lens hood: Petal
Angle of view
Diagonal: 69.3° - 27.9°
Retail info
MSRP US$ $420.00 USD

The 18-50mm f/2.8-4.5 DC OS HSM lens is a wide-angle zoom lens produced by Sigma Corporation. The lens has four different variates, fitting on the Canon EF mount, Pentax K mount, Minolta A-mount, and the Nikon F-mount. It features internal focusing and internal zooming, as well as two SLD elements and three aspherical lenses.[1][2]

See also[edit]