3.5X-90X Simul-Focal Trinocular Boom Microscope + Light + 3M Camera Simultaneously views clear images through trinocular port and eyepieces 3.5X-90X zoom magnification power; 2-1/2" (65mm) large field view; 8" (200mm) working distance 3D double-arm boom stand allows you to point microscope head in any direction desired 3MP USB 2.0 digital camera for photos and videos on Windows, Mac, and Linux Advanced software for Windows XP/Vista/7/8/10, limited software for Mac/Linux