Bosch - 9 mm to 40 mm - f/8 - f/1.5 - Varifocal Lens for CS MountElevate your security system with the Bosch 940 mm varifocal CS mount lens, a precision optical solution engineered for demanding surveillance environments. This high performance lens is designed to deliver outstanding image clarity, consistent color rendition, and reliable performance across its expansive focal range. With a 4. 4x optical zoom, a versatile aperture range from f 1. 5 to f 8, and a compact 2. 2 inch diameter housing, its the ideal