tender for equipment; purchase of cell imaging system with accessories classification: inverted fluorescence microscope for multi-channel fluorescence and transmitted light (bright field and phase contrast) applications illumination: digitally controlled led light sources for transmitted & fluorescent light applications with greater durability (≥50,000 hrs lifespan). should include fluorescent led light sources with hard coated bandpass optical filters compatible for dapi, rfp and gfp fluorophores. the illuminators should have independent intensity control and system should have a motorized carriage to accommodate upto two user-interchangeable fluorescent led light cubes. system should not require any dark room environment for fluorescence imaging objectives: should have infinity corrected optics. four position objective turret. 10x (lwd, plan fluorite, phase), 20x (lwd, plan fluorite, phase), 40x (lwd, plan fluorite, phase) objectives to be included condenser: should have brightfield and three phase contrast annuli compatible upto 40x magnification. working distance ≥ 70 mm. stage: manual stage control with a fixed stage of 7×9 in dimension. should include mechanical x-y stage attachment having travel range 180 mm x 220 mm with submicron resolution, stage plate for placing respective sample vessel camera: should have an integrated high sensitivity color cmos camera ≥3 mp resolution and ≥3.45 µm pixel size display: should have an integrated high resolution color touch screen lcd display ≥10 inch for image review and analysis interface & storage: usb interfaces, video output, wi-fi connectivity. should have 100 gb or above internal ssd memory, external usb memory, network storage capabilities software features! should have integrated software with intuitive gui for operation captures publication quality images in jpeg/tiff/png formats image enhancement tool, annotations, scale bar, histogram, image review etc. single click for automatic multi-channel overlay cell culture confluency measurement tools it should have features for time creating videos in mp4 formats vessel holders: should include slide holder and universal vessel holder dimension: compact benchtop system which can be accommodated into a standard cell culture hood manufactures service centers should be available in tamil nadu. address proof for the same should be enclosed. minimum 10 users list with contact details from government institutions should be provided