The Marshall Electronics V-LH08 is a lens holder designed to allow a Marshall 4300 series glass lens or 4000, 4200 series plastic lens to attach to an OEM board camera. This lens holder is compatible with board cameras equipped with a Sharp 1/3" image sensor The barrel thread size for this lens holder is designated as being M12 x 0.5, where M12 stands for the number of threads on the holder and 0.5 denotes the pitch between threads.