Sigma 12-24mm F4.5-5.6 EX DG ASPHERICAL HSM

Sigma Japan has announced a new wide angle zoom lens, the 12 – 24 mm F4.5-5.6 EX DG HSM. This lens is clearly aimed at providing a good wide angle range for digital SLR as well as ultra wide angle for film SLR. On the Sigma SD9 (1.7x crop) this lens would provide the same field of view as a 20-41 mm lens, on the Canon EOS-10D/300D this would be approx. 19-38 mm.

Focal length: 12 – 24 mm

Minimum aperture: F22

Maximum aperture: F4.5 – F5.6

Construction: 16 elements in 12 groups (4 SLD, 3 aspherical)

Focusing System: Internal Focusing

Angle of View (35 mm): 122? – 84.1?

Number of Diaphragm Blades: 9 pieces

Minimum Focus Distance: 28 cm (11 in)

Maximum Magnification: 1:7.1

Lens Hood: Petal Hood

Dimensions(dia x len): 87 (3.4 in) x 100 mm (3.9 in)

Mounts (AF): Sigma, Canon, Nikon (D), Minolta (D)*, Pentax** Non-HSM

Weight: 615 g (22 oz)

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