The 40X-1000X compound trinocular LED microscope comes with Kohler illumination. The Kohler illumination provides extremely even and better light. The compound microscope features an optical system for simultaneously observing images through eyepieces and an adjustable trinocular port. The LED lamp can be replaced by yourself. The trinocular port is easy to mount photo or video capability. You can add advanced accessories including darkfield condenser and phase contrast kit to upgrade your microscope. All lenses are made of high quality optical glass. The high resolution image in the field of view is crystal clear and will satisfy the demands of professionals. This trinocular microscopy is good for teaching, demonstration, clinical examination and research purpose.