Devices and systems for image-based analysis of test media are disclosed herein. An example device includes four side panels connected together so as to form a tubular rectangle, a floor panel that covers an opening of the tubular rectangle, the floor panel having a raised test bed that receives a test medium, a top panel that having an optical lens that aligns with the raised test bed when the top panel covers another opening of the tubular rectangle. The optical lens is aligned with an aperture that extends through the top panel. The four side panels, the floor panel, and the top panel forming an optic chamber when joined together. The device also includes a light source that illuminates inside the device.
