The Sigma APO 70-200mm F2.8 EX DG OS HSM autofocus is generally fast enough to help catch difficult subjects such as this quadcopter moving in dark conditions. 1/250 sec., f2.8, 119mm
Read the full review of the Sigma APO 70-200mm F2.8 EX DG OS HSM.
March 29, 2013 3:11 AM PDT
Photo by: Stephen Shankland/CNET
| Caption by: Stephen Shankland
Conversation powered by Livefyre