tender for advanced stereo zoom microscope with camera and software go through tender notice. , advanced stereo zoom microscope with photo capturing facility specification : * optics : apochromatically corrected parallel stereo optics system with maximum possible resolution 1000 lp / mm * zoom range : 20 : 1 or better with selectable electronic zoom magnifications range 0.47x – 15x with motorized focus. * eyepiece : plan grade 10x wider field of eyepiece with minimum of 23mm fov * magnification range : 4.7x to 150x or better @ 10x eyepiece with 1x objective lens. * objective lenses : objective plan apochromatic grade - 1.0x fwd 60 mm and 0.63x fwd 81 mm * binocular photo tube: motorized phototube with 100% light for camera or 100% light for eye * double iris diaphragm : to increase depth of field to view three dimensional objects. * real time digital display & screen controls: for magnifications, resolution, depth of field and object field of view of the system. * base: transillumination, 90 white-light led transmitted light, brightness knob, and 3 position turret for: 1. bright field plus and oblique-light contrast by shiftable diaphragm 2. homogenous bright field. 3. all-side dark field, also unilateral by movable diaphragm; incl. glass plate, df insert diaphragm, * light source with gooseneck and ringlight: cold led light guide having up to 600lm light flux, ca. 6200k color temperature, control of intensity and 6 memory cells by turn-push knob. min. 50, 000 operating hours .gooseneck and ring light have to be provided * nosepeice : coded ( readable through pc ) multiple objective turret to hold 3 objective lenses: * high resolution scientific digital camera : scientific grade high sensitivity digital camera with usb 3 & usb 2 cables to enable direct fast interfacing with pc. * live image resolution : minimum 5.0 million pixels on pc monitor & 12 bit color depth. selectable frame transfer rate with max. resolution =35 frames / sec. or better. pixel size 3.45 x 3.45 ?m. chip size equivalent to 2 / 3”. dynamic range >4500 : 1. integration time : 0.1 ms to 4 sec. or better. temperature stability @25°c for ambient temperatures between 18°c and 30°c. full well capacity : = approx. 10, 000 e. live r-g-b spectral intensity display or optimum control of camera. * basic image analysis software :. image acquisition and processing under windows 10 x64. user interface configurable, control of the microscope systems and components - module measurement - module multi channel - module panorama – module extended focus – module z- stack. * microscope, camera & software : all should be from same manufacturer