The Ken-A-Vision TU-19241C-230 Comparison Scope 2 Binocular Microscope has a unique USB charging system that allows the user to charge the cordless microscope by a traditional electrical outlet or by a USB port. It lets you compare two slide with each viewed separately in a full-field or together in a split screen with high-quality optics and independent focusing on each microscope base. This microscope is the perfect classroom microscope for teaching forensics and comparative sciences.

This microscope is equipped with a binocular siedentopf head with 2 eyepieces capable of giving a 30° angle 360° rotation. Its stage focus features a low position coaxial focus with left or right hand low drive control with rotating mechanism and torque adjustment 1 coarse rotation from minimum to maximum stage height. It provides fine focusing value of 0.002mm per unit scale and has rubber grips on both fine and coarse focus knobs.

The TU-19241C-230 comes equipped with 4 Achromat objectives which are lead free and are humidity and climate protected by special coating. These objectives are manufactured according to DIN: Achromat 2x N.A. 0.05, Achromat 4x N.A. 0.10, Achromat 10x N.A. 0.25, Achromat 40x N.A. 0.65 (with built-in spring action tip to avoid crushing of specimen).

The TU-19241C-230 compound microscope illuminates using an LED cool lighting source with very long life of 12,000+ hours. It has on/off switch, and dimmer rheostat. The on/off switch and dimmer are separate, dimmer rheostat is low position light control.

The TU-19241C-230 includes a USB compliant / IEC 62684:2011 charging system standardized on external USB to AC adapter 5V--1A DC operation included or USB 2.0 computer port or backward compliant for legacy power supply 5.5V--500mA; 7.5V--800mA.