... mechanical stage can hold two slides for comparsionStage size- 180mm x 160mmMoving range - 75mmX 50mmSwing out N. A. 1.25 Abbe ... -240VSpare bulb, fuse, immersion oil, dust coverSize: 19.5" x 10" x 18.5" (H)Optional Upgrade (Special Order):12V / 100W illumination20X or ...