Micro slide viewer, cost effective giving super quality images, No power requirement and very light weight, Easy to use and teacher can be sure that the entire class will see the key features quickly
Monocular microscope, with WF10x/WF25x eyepiece, 4x, 10x, 40x objective, Coaxial coarse & fine focusing adjustment, LED illumination with intenstiy control
Deluxe Handheld Digital Microscope, Imaging Sensor: 2 MP CMOS (1600x1200 pixel array), Magnification: 10 to 40x & 150x using a 19in Monitor, USB Connection: 2.0, Accessory: Adjustable metal stand, Video resolution: 25 fps, Dimension: 4.25in x 1.25in