XDT-3D Video Microscope uses the outstanding optical system. Forming the high resolution colorful CCD and color TV, XDT -3D added the 3D rotary observation based on the traditional zoom TV microscope. It realizes the multi-angle observations and also features long working distance, wide viewing field, etc. The fashion appearance designs, simple usage, etc. XDT -3D can be widely used in the electronic industry, small precision component testing,assembling and fix, specially observating micro-structure surface of large objectives, as well as biological dissection, gem testing and education, etc.