Prior Scientific Inc. has released the OptiScan stage system, which the company says is compatible with most image analysis programs and mounts onto almost any upright microscope. The system consists of a motorized microscope stage, focus drives, up to two filter wheels, and up to three high-speed shutters. The OptiScan provides repeatability to ±5 µm, a step size of 1 µm and travel of 3 x 2 in., and can accommodate both 1 x 3-in. and 2 x 3-in. slides.