Design me a Product

We are looking for a freelancer who can design and/or make a prototype product for digital slide scanning application. The idea here is to scan a glass slide with biological/pathological staining or mineralogy which will need polarized light. The scanner should be able to scan at least one standard single slide (1"x3" or 25mmx75mm), double size (2"x3" or 50mm x75mm) or ideally multiple slides (like 4 or more) with the resolution near 60x objective lens or around 0.5um resolution. This can be designed by using one or multiple linear cameras at high DPI which moves in one direction like a regular scanner (for paper or photo scanning). The scanning time of a 25mmx75mm area should be below 25 seconds. Your design can be initially from off the shelf items. when you submit your proposal, you need to inform: -What would be the image resolution (in DPI / Megapixel) of scanning a single slide area? - the cost of a single product?