Satisfy your scientific curiosities with this Walter Products 2057 series microscope. It has a dual view head with 4X, 10X, and 40XR parfocaled and paracentred objective lenses, offering 40X to 400X magnification. This microscope has a corded internal LED lighting system, built-in 3.5" movable stage, and 6-hole rotating disc diaphragm. | Walter Products 2057 Series 40x-400x 45º Dual View LED Compound Microscope