Sigma 500mm EX DG F4.5

Out working today, mainly been loitering in the East End of London, well Shoreditch area, freaking hole of a place, but I have had the opportunity to do a couple of test frames with the new Sigma 500mm F4.5 EX DG HSM and have to report that I am quite impressed with the handling of the lens, easy enough to hand-hold the AF is quick enough, although I won’t be able to do any critical analysis of the results until I get home and review the images on the big screen on the G5. Continue reading