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
Maker Sigma Corporation
Technical data
Focal length 18-50mm
Aperture (max/min) f/2.8 - f/22
Close focus distance 30cm
Max. magnification 1:4.1
Diaphragm blades 7
Construction 16 elements / 12 groups
Features
Short back focus No No
Ultrasonic motor Yes Yes
Lens-based stabilization Yes Yes
Macro capable No No
Application Wide-angle
Physical
Max. length 88.6mm
Diameter 74mm
Weight 395 g
Filter diameter 67 mm
Accessories
Lens hood Petal
Angle of view
Diagonal 69.3° - 27.9°
Retail info
MSRP $420.00 USD 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]

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