The Ever Focus EFV-550-DC is a high quality industrial lens for 1/3-inch CCD security cameras. This model has a CS-type lens mount and a motorized iris function. This lens offers a wide aperture range of f/1.7 to f/360 for very delicate image control even in low lighting situations.
Wide Angle of View
At its widest setting 5 mm the EFV-550-DC renders a wide 51° horizontal angle of view. At its telephoto longest setting 50 mm the lens shows approximately 5.5° horizontal angle.
Auto Iris Function
This varifocal lens has a DC-type auto iris feature for good exposures. The DC-type system takes power and control from the circuitry in the camera.
In the Box
EverFocus EFV-550-DC 5mm to 50mm f/1.7 Varifocal CS-Mount Lens with DC Auto Iris and Manual Focus for 1/3-Inch CCD