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Sigma announce the 18-50mm f/3.5-5.6 DC zoom lens - A lens exclusively designed to suit the characteristics of digital SLR cameras
Sigma have launched an 18-50mm f/3.5-5.6 DCzoom lens, exclusively designed
to suit the characteristics of digital SLR cameras. The image circle is
designed to match the size of the image sensors of digital SLR cameras.
The lens is compact with a maximum diameter of 60mm (2.3") and overall
length of 67.5mm (2.6") weighing only 245gr (8.6 ounces). It has
a variable angle of view of 76.5°?31.7°. The use of aspherical
lenses provides correction for various aberrations throughout the entire
zoom range and produce high level of optical performance. The 18-50mm
F3.5-5.6 DC lens has a minimum focusing distance of 25cm (9.8") at
all focal lengths and is capable of macro photography with a maximum magnification
ratio of 1:3.5.
|Minimum Aperture :||F22|
|Lens Construction||8 Elements in 8 Groups|
|Focusing System||Internal Focusing|
|Angle of View||76.5°-31.7°|
|Number of Diaphragm Blades||7|
|Minimum Focusing Distance||25cm (9.8")|
|Lens Hood||Bayonet Hood|
|Dimensions Diameter||67.5mm (2.6")X Length 60mm (2.3")|
|Mounts (AF)||Sigma, Canon, Nikon (D), Minolta (D), Pentax|