Whether in a lab or classroom this Walter Products LTM series microscope gets the job done. It features a monocular head with 4X, 10X, 40XR, and 100XR parfocaled and paracentred objective lenses. It's ruggedly built and is coated to stand up against acids and chemical reagents. It also has an adjustable 1.25 Abbe condenser and Iris diaphragm. | Walter Products LTM Series 40x-1000x Monocular LED Compound Microscope