Modelú¦ electron eyepiece-a006 Detailed parametersú¦ Resolution: 1280(h)*1024(v) (1.30mp), or 2048(h)*1536(v)(3.00mp); Chip: 1/2" micron mt9m001; Magnification of optical system: 0.45x; Capturing micro-images and showing live video on pc screen; Saving still images as bmp, jpg files; Software for previewing, measuring, comparing, counting, saving and deleting; Tube mounts: ª¦23.2, ª¦30, ª¦30.5mmú+ Pc system required: Hardware: usb2.0 socket; cpu: intel p4; ems memory: 256m; hard plate: 512m; Software: win2000( with mend sp4); or winxp (with mend sp3); vista; directx 9.0