A new digital microscope made by yourself when inserting digital eyepiece into eyepiece tube to replace the ocular eyepiece of microscope. All features and specifications of microscope remain, and digital modules can keep updating easy. In compare with the built in digital microscope, this compounding microscope can do all the things covering analog mode and digital mode. It is very convenien for teachers to show images of specimen to students in classroom. Specifications of biological microscope:Magnification 40X,100X 400X,1000X, 1600XObjective4X, 10X, 40X, 100XEyepieceWF10X, WF16XStageMovable mechanical stageFocusingCoaxial coarse & fine focusingLight sourceAdjustable electrical illumination Specifications of 5.0MP digital eyepieceSensor Parameter 1/2.5" 5.0MP CMOSResolution2560*1944USB PortUSB 2.0Frame Rate3.75fps for 5.0 MPPixel Size2.2μm *2.2μmColor FilterRGB Bayer PatternWhite BalanceAUTOUSB Cable Legth1.5mO/P compatibilityWINDOWS-XP2/VISTA