Tokina AT-X 100-300 F4 Lens Test. All images taken with the lens mounted to an Olympus E-1. Chart was lit with a single 60 watt light mounted just above the image (hence the round black object center top). Aperture priority mode was used with a +1.0 exposure offset. Three-second Anti-Shock was enabled. Images converted using RawShooter Essentials 2006 with all sharpening disabled.