Please note that the following information applies only to the Elphel 10338 Sensor Front End and not to Apertus Prime . Elphel 353 cameras have a C/CS mount which is basically just a female thread (nominally 1 inch/25 mm in diameter, with 32 threads per inch). The flange focal distance is 0.6900 in/17.526 mm for a C-mount. C-Mount (The letter "C" is said to stand for "cine") is common for 16mm lenses as well as machine vision, automation and specialised television applications. Which has lead to a very wide range of lenses to choose from: List of almost 300 C/CS-mount lenses with sample...