Pentax C5028-M Progressive Machine Vision Camera

Pentax C5028-M is a 50mm f/2.8 C-mount lens designed for 2/3-inch format machine-vision cameras, offering a fixed focal length with adjustable iris and focus rings. The lens is rated for up to 2 megapixel imaging and has a 29.5 mm diameter housing, making it a compact option for tight-gauge machine-vision integrations. Identified as the C5028-M (KP) designation in multiple catalogs, this Pentax TV lens uses a C-mount interface and is described with adjustable aperture and focus rings, with several retailers listing it as discontinued by the manufacturer. In typical machine-vision deployments, it is paired with 2 MP cameras to deliver sharp, high-contrast imagery for alignment, inspection, and other industrial-automation tasks.