I've always used Microphen for Delta 3200, even at speeds upto 25,000. I'll put an image up shot from the "nose bleed" seats in the RBC center here in Raleigh. For the Stanley Cup playoffs, the security rules alowed only fixed lens cameras?!? I took my Veriwide and pushed Delta 3200 to 25,000 and shot f8 @ 1/125. I'll post one in the Non-Gallery Pictures area.