Sigma EX zoom lens - 10 mm - 20 mm

I have owned two of these lenses. One (the first) for my Nikon DSLR (since disposed of) and the second for my Canon APS-C sensor DSLR. Both lenses exhibited near identical characteristics and qualities which does at least imply consistency. This lens covers the useful range of 15-30mm on a APS-C Nikon, 16-32mm on a APS-C Canon and 17-34mm on a Sigma DSLR - not quite the classic 16-35mm range but near enough nonetheless and, a valuable and versatile addition to anyone's APS-C based kit. This of course is a Sigma DC lens and as such, is suitable only for the APS-C sized cropped sensor DSLR's. It ... more

The Sigma 10-20mm EX lens is a low-to-mid priced lens, aimed at the amateur/enthusiast market and available in the usual Canon and Nikon mounts. I own the Canon-fit, so all information contained in this review is in relation to that lens. For anyone interested in landscape photography, a wide-angle lens is a must-have piece of equipment. With standard kit lenses generally weighing in at the 18mm range at their widest zoom setting, you will be astonished at what the extra 10mm can provide you with. With this extra range of view, it's also an ideal lens for architectural photography and can make ... more

As a photographer and a student I have a need for (expensive) equipment and very little money with which to buy it. When the need arose for adding a wide angle lens to my kit I did alot of research - looks at specifications, read reviews online/magazines and tested different lenses my self in shops. The 10-20mm by sigma is a fantastic wide angle lens for the price - many wide angle lenses don't go down as far as 10mm but when shelling out money for a wide angle lens my thought was to find the widest possible for the best price and this was it. The lens doesn't let you down in other areas ... more