Adesso Nuscan 500a 5mp Autofocus Visual Presenter 6f Down-Facing Lens NimostudioKodak Adesso Nuscan 500A 5 Megapixel Auto Focus Visual Presenter (A4 Size) The NuScan 500A 5 Megapixel Auto Focus Visual Presenter is the ideal tool for presentations, image capturing and video recording. With this visual presenter and your computer, you can capture, using auto focus, real time images of 3D objects (up to 8. 3 x 11. 7 x 15 in size), magazines, books, documents, pictures and business cards and present them through a monitor or