1. A system for determining binding activity of an antibody, comprising: an optical path, the optical path comprising: a camera, a lens, and a mirror; a rotating table comprising a plurality of plate holding stations and a table motor for rotating the rotating table to move any of the plate holding stations into alignment with the optical path, each plate holding station of the plurality of plate holding stations comprising: a plate holder for holding a plate comprising an array of test wells, and a tilt motor for adjusting a tilt angle of the plate holder; and a controller for controlling the table motor, the rotation motor, and the camera to acquire at least one image of at least one plate.