There are four types of operation for lens iris as follow:
(1) DC drive auto iris
(2) Video drive auto iris
(3) Manual iris
(4) P-iris
For DC drive type, the iris is controlled by the circuit inside the camera;
For Video drive type, the iris equipped with an amplifier is operated by the video signal and DC power supply;
For Manual type, the iris is manually adjusted through the adjusting ring on the lens;
For P-iris type, the iris is precisely controlled by stepping motor, which optimizes the space and scope of iris opening under all lighting conditions in favor of generating better contrast, clarity, resolution and depth of view.
Contact: zhou
Phone: +86 18679639030
Tel: +86 0731 2365 3826
Email: sales01@lyxlens.com
Add: 4th 406 Room,Liling E-commerce Industrial Park ,Hunan Province, China