Marshall Electronics' CS Mount Varifocal Lenses with DC Auto Iris. 3 Megapixel Day and Night Vari-Focal 1/3", DC Auto Iris from Fujinon. These vary-focal lenses are for use with Marshall VS-series CS mount MegaPixel Compact Cameras

3 Megapixel HD VariFocal 1/3" CS mount lenses (manual & auto Iris)

High Definition 3 Megapixel Varifocal Lenses are designed to deliver clear, crisp images with high optical MTF performance.
High accuracy aspherical lens elements, low-dispersion, and high refractive-index glass best suited for high performing color 1/3" HD sensors.

CS mount 3MP Varifocal Manual Focus Lens options for CV343, CV345, CV365
  Part No. Focal Length Horizontal AOV Iris F-Stop Focus Range from Front of Lens
CS mount 3MP Varifocal Manual Focus Lens from FUJINON VS-M226-A 2.2~6mm 129°~50° DC Auto (4 pin) F1.3 ∞ - 0.3m
CS mount 3MP Varifocal Manual Focus Lens from FUJINON
VS-M226-M-IRIS 2.2~6mm 129°~50° Manual Control F1.3~close ∞ - 0.3m
CS mount 3MP Varifocal Manual Focus Lens from FUJINON
VS-M288-M-IRIS 2.8~8mm 110°~30° Manual Control F1.2~close ∞ - 0.3m
VS-M550-3, 5-50mm CS-Mount F1.6 IR-Corrected DC Auto-Iris Varifocal Lens VS-M550-3 5~50mm 56°~6° DC Auto (4 pin) F1.4 ∞ - 0.3m
CS mount 3MP Varifocal Manual Focus Lens from FUJINON
VS-M1550-A 15~50mm 20°~6° DC Auto (4 pin) F1.5 ∞ - 0.8m
 VS-M2812-2 Varifocal CS Mount Lens VS-M2812-2 2.8~12mm 98°~25° DC Auto (4 pin) F1.4 ∞ - 0.3m