Welch Allyn optical zoom colposcope. Mint condition, like new. This is the cantilever style with an overhead arm and roller base. Model 88520. Nice zoom optics with fiberoptic lighting. Features the following: Stereoscopic 3D zoom optics with 3.6x to 18x magnification; Antiglare coating; Halogen fiber-optic lighting system with green filter; Five caster roller base for great stability. $3700.