| 词条 | Sigma 18-50mm f/2.8-4.5 DC OS HSM lens |
| 释义 |
| image = D5000 with 18-50mm.JPG | name = 18-50mm {{f/}}2.8-4.5 DC OS HSM lens | maker = Sigma Corporation | feat-is = y | feat-usm = y | feat-sbf = n | feat-macro = n | application = Wide-angle | flength = 18-50mm | aperture = {{f/}}2.8 - {{f/}}22 | groups = 12 | elements = 16 | diaphragm = 7 | close-dist = 30cm | max-mag = 1:4.1 | weight = 395 g | max-diameter = 74mm | max-length = 88.6mm | filter = 67 mm | hood = Petal | av-horiz = | av-vert = | av-diag = 69.3° - 27.9° | start = | msrp = $420.00 USD }} The 18-50mm {{f/}}2.8-4.5 DC OS HSM 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
References1. ^18-50mm F2.8-4.5 DC OS HSM - DC Lenses - SigmaPhoto.com 2. ^Large aperture standard zoom lens designed exclusively for digital SLR cameras incorporating Sigma's original OS (Optical Stabilizer) function. 18-50mm F2.8-4.5 DC OS HSM External links{{commons category|Sigma 18-50mm F2.8-4.5 DC OS HSM lens}}{{sigma lenses}} 1 : Sigma lenses |
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