China supplier 12mm cctv camera lenses

 How to choose CCTV camera lenses !

1. To find out what kind of mount for your CCTV lens, C, CS or board. It depends on 

the camera that a lens works with. Check your camera first.  Board lens thread: 

M12x0.5, C or CS mount lens thread: 1-1/32”.  

2. It is important to understand the angle of the lens. The angle of view depends on 

the focal.   

• The larger the number focal, the narrower the angle of view.  

• The sensor of camera (h×v ):   

1” sensor: 9.6mmx12.8mm  

2/3” sensor: 6.6mmx8.8mm  

1/2” sensor: 4.8mm X 6.4mm  

1/3” sensor: 3.6mm x 4.8mm  

¼” sensor: 2.7mm x 3.6mm  

• The formula:   

F = v X D /V or f = h X D /H  

f: the length of focal  

H: the height of the object  

V: the width of the object   

D: the distance between the camera and the object  

h: the height of the sensor in camera  

v: the width of the sensor in camera

  CCTV camera lenses Specification:

Other more CCTV camera lenses

  Tian Cheng Optics Co., Ltd. is located in Changchun city where is famous base of optics research and development in China, we dedicate to designing and manufacturing high quality precision optical components including Lenses, High Precision Prism, Filter, Window, Beamsplitter, Mirror, Waveplate, Polarizer, Polarization Beamsplitter, Micro optics, they are widely used in industrial application, medical industry, construction, telecommunications, military, environment monitoring, life sciences, public security, aerospace etc. We have built well cooperation with some companies from United Kingdom,Germany, Ireland, Sweden, Australia, Brazil, U.S.A. etc.

1> Package Detail: A. Standard carbon and envelop with plastic foam.

                                         B. Safety green carton.

                                         C. Customized.

2> Delivery Detail: Within 20 days.(Also depand on the quantity)

 1> Q: Where is your factory located ? How can I visit there ?

  A: Our factory is located in Chaoyang district Changchun city Jilin province China, about 3 hours bus ride from Shanghai. All our clients, from home or abroad, are warmly welcome to visit us !

2> Q: What's the material of your products ?
  A: The material is optical glass and plastic .

3> Q: If I place an order now, how long would it be before I got delivery ?
  A: It would largely depend on the size of the order and the items you want .

4> Q: Can I customize production?

A: Yes, customized production is welcomed.

5> Q: How can I get some samples ?
  A: We are honored to offer you samples .