Zoom lens
An f/3.0 zoom lens covers 90 to 300 mm at wavelengths of 3 to 5 µm, with MTF at 16 c/mm 50%. Thermal compensation is 30°C to 60°C. It comes with a standard RS-232 port for connection to a computer at 9600 baud. Complete optical and mechanical designing is available.
Optimum Optical Systems, Camarillo, CA