Advantages: Superb design, value for money and professional results. Disadvantages: None
Sigma EX 12-24mm F4.5-5,6 DG Nikon fit AF D.
This a great wide-angle zoom lens offering professional performance, results and is a joy to use. It is suitable for both digital SLR's and 35mm Film cameras and focusing can be used manually or autofocu ...
Advantages: Excellent field of view Disadvantages: none that I have found in months of use
Sigma Wide Zoom Lens.
If you want a panorama of a landscape then you should try this lens.
Described as 12 - 24mm f5-5.6 EX DG Aspherical HSM
Technical details first. To fit Sigma, Canon and Nikon (D)
Lens construction Groups/elements 12 ...
Advantages: Image sharpness, constant f2.8 aperture, cost Disadvantages: Some distortion at widest setting, motor noise
BACKGROUND
I had been looking to replace the so-so kit lens on my Canon 400d and agonised over the possible options for several weeks. I wanted a lens to broadly replace the kit lens range of 18-55mm - with a good wide angle and some telephoto zoom, but ...
Advantages: HSM, DC, great build quality, great fun Disadvantages: light fall off can be an issue
...this lens as my focal range was limited to 18mm at the widest end, and had always wanted a good quality super wide angle lens without the rediculous distortion you get from cheap bolt on imports.
I opted for the Sigma 10 - 20mm f/4 - 5.6 EX DC ...