With various possible configuration a wide range of W.D.s could be achieved.Having a fixed external diameter of 19mm while different combination of W.D. and opt. mag. could be configured. CCDs come in 11 models with focal lengths ranging from f13～f50. Flexibility in semi-customization of existing standard models helps lower development cost for new optical spec. models. A common fixing jig/holder could be used while different rear converter and extension tubes could be employed for easy semi-customization. With minimized movable parts by the use of fastening ring, a minimal optical aberration due to mechanical vibration could be assured. In addition to C-mount, other camera mounts and even mount-less configuration could also be provided. This lens option is highly recommended for immediate need for semi-customization of CCTV lenses and for vibration-proof macro lenses.
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