12-24mm F4.5-5.6 EX DG lens offers super wide angle (122-degree) for creative photographing. An inner focus system provides high performance.
This lens is equipped with a fixed Petal-type hood to obtain a superior extraneous light-blocking effect.
Four Special Low Dispersion (SLD) glass elements are provided for effective compensation of color aberration. It is an ideal lens for Digital SLR Cameras as well as film SLR cameras.
On the Sigma SD9 (1.7x crop) this lens provides the same field of view as a 20-41 mm lens, on the Canon EOS-10D/300D this is approx. 19-38 mm.
Construction: 16 elements in 12 groups (4 SLD, 3 aspherical)
Angle of View: 122 – 84.1 degrees
Minimum Aperture: F22
Minimum Focusing Distance: 28cm / 11 in.
Maximum Magnification: 1:7.1
Filter Size: Rear Type (Gelatin Filter)
Dimensions: Diameter 87mm X Length 102.5mm (3.4 inch x 3.9 inch)
Weight: 615 g / 22 oz.
Corresponding AF Mounts:
[12-24mm F4.5-5.6 EX DG ASPHERICAL HSM]
[12-24mm F4.5-5.6 EX DG ASPHERICAL]
12-24mm F4.5-5.6 EX DG ASPHERICAL HSM awarded Camera Grand Prix 2004 Special Prize by Camera Press Club. Except fish-eye lenses, this super-wide angle lens is the only lens that has 12mm focal length and can be used with Digital SLR cameras as well as film SLR cameras.
[tags]wide angle, sigma, color aberration, digital slr cameras, sigma, sigma wide angle, sigma lens, sigma wide angle lens, wide angle lens, aspherical lens, dSLR lens[/tags]