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The Ever Focus EFV-515 is a high quality industrial lens for 1/3-inch CCD security cameras that have a CS-type lens mount. This lens offers a fast aperture of f/1.7 good for low lighting situations. Its iris and focus functions both operate manually.
Wide Angle of View
At its widest setting 5 mm the EFV550 renders a wide 51° horizontal angle of view. At its telephoto longest setting 15 mm the lens shows a tight 5.5° horizontal view.
This varifocal lens can be set to display wide or medium angles of view. Its focal length is set manually. Focus and iris settings are manually set also.
In the Box
EverFocus EFV-550 5mm to 50mm f/1.7 Varifocal CS-Mount Lens with Manual Iris and Focus for 1/3-Inch CCD