Ruudb From Netherlands, joined Jun 2005, 164 posts, RR: 5
Reply 1, posted (6 years 3 weeks 6 days 7 hours ago) and read 6442 times:
I don't owe a Sigma, but just bought a German magazine with a test in it together with a 150-500mm and a Canon 100-400mm, it seems they are nearly equal to the Canon, some parts less some parts better but the main differences are the price and the weight, Sigma weighs double the Canon's weight and costs half of it.
Avsfan From United States of America, joined Aug 2006, 250 posts, RR: 2
Reply 2, posted (6 years 3 weeks 6 days 3 hours ago) and read 6415 times:
I have the Sigma 120-400mm and am very pleased with it. I will however mention that I don't use the OS feature due to the fact that it is somewhat unstable. You can see some of my photos on my flickr site: www.flickr.com/photos/avsfan. This one in particular was taken at 400mm (w/o the OS), A-Priority (f/5.6), shutter speed of 1/500 and an ISO of 200.