The Twain interface file, available to you with the Pax-it software, or 3. Simply use the driver and run it with any camera app that supports direct-show cameras, but with very limited functionality.
Skill level, and so for testing purposes, I was only able to install the driver, verify that the light on top was green and not yellow when I connected the camera to my computer after installing the driver, and verify in device manager that the computer recognized the camera as the 4U3, and that the computer said the device was working properly. Here is the price breakdown on purchasing the software.
The camera new is 3,500, which includes Pax-it and file access for one computer. It was on a very expensive Nikon and shows no visible signs of damage other than slight cosmetic damage to one of the Paxcam stickers on one side. The item "Paxcam 4U3 4.2 mp Microscope Camera" is in sale since Tuesday, June 8, 2021.This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical/Lab Equipment Attachments & Accessories\Microscope Parts & Accessories\Microscope Camera & Lens Adapters". The seller is "microscopemonger" and is located in Newport, Maine.
This item can be shipped to United States.