Short Desc: Digital Biological Microscope Specification: - Compensation free binocular head, inclined at 30, interpupilary distance:55~75mm - High resolution chip,RCA,S-Video,USB1.0 output, 400,000Pixel - High point and wide field eyepiece EW10X/20 - CF High-contrast objective 4x, 10x, 40x, 100x - Backward quadruple nosepiece - Double layers mechnical stage 140x140/75x50mm - Coaxial coarse & fine focus adjustment system, range 23mm, fine division 0.002mm - NA1.25 Abbe condenser with iris diaphragm and filter, rack pinion adjustment. - Halogen lamp 12V/20W, brightness adjustable. - Image outputs:USB, RCA, S-Video - Softwre: DN-2 Micro-image process siftware, protector