Sigma 150-500 mm f5 6 3 APO DG OS HSM unboxing and Test

Unboxing 1:40 Mounted on camera 8:41 Zoom Test 10:30 Sigma 150-500 mm is the cheapest super telephoto lens actually available in the world, I have bought it for my Sony Alpha a37 A-Mount to use it for nature, wildlife and sports photo. AF is generally very fast, and the lens is pretty sharp also at longest focal lenght of 500 mm, and at f8 or f9 It works still better. The built quality is very good, materials are OK and it is a very attractive lens (especially for his price!) Weight is of 1,9 kg so It isn