General Infra-Red Questions    

Includes the answers to the questions below

  1. Why do I need an Infra-Red lamp?

  2. How safe is Infra-Red?

    3.

  3. How far can my camera see at night with Infra-Red lamps?

  4. Can Infra-Red lamps work with colour camera?

  5. Can Infra-Red be used in covert applications?   

  6. What lens do I need?

  7. What is the best combination of lens when using zoom lens?   

  8. What is the average bulb life of an Infra-Red bulb?    

    9.

 

Derwent & Infra-Red Questions      

Includes the answers to the questions below

  1. Why should I use Derwent Lamps?

  2. Can I use Derwent Uniflood lamps without a power supply?

  3. What is Cosec²?

  4. Can Derwent lamps be supplied in different colours?

  5. Can we reduce or extend the lead length between the PSU and lamp?

  6. What is the difference between 10º Cosec²  and spot and a  30º Cosec² and flood?

  7. Can Infra-Red lamps face the camera head?

    8.

  8. Can the lamps be operated remotely?

 

Derwent infra-Red Question & Answer in pdf format

Commonly asked Infra-Red question and answers (in .pdf format).

 

If you have any additional questions you would like to ask us please e-mail us at derwent.systems@btinternet.com. 

        

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