Lenses Explained bitesize

1 module


Tavcom Support



Many CCTV systems do not offer high quality pictures because the correct lens has not been specified at the survey stage. 
In order to appreciate the role of a lens it is necessary to understand: 

Fixed and variable focal lengths
Manual and auto-iris lenses
​Depth of field
Lens filters
Back focusing and the role of a zoom lens
Automatic Electronic Shuttering (AES)
Varifocal lenses
Aspherical lens
Zoom lenses
IR (Infrared) lenses
Megapixel lenses

If you would like to learn more about this fascinating subject, at the end of this
module we offer you an exclusive 10% discount off our CCTV over IP Networking course.



By completing/passing this course, you will attain the certificate CPD Points

Learning Credits

Lenses Explained
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Added about 2 months ago, by Paul
Added 2 months ago, by Anonymous
Added 3 months ago, by Paul
Added 4 months ago, by Hussein
Perfect basic Course, thanks
Added 5 months ago, by Ali
Added 6 months ago, by Neil
A great course to top up and refresh my knowledge the actual human voice overview was helpful.
Added 6 months ago, by Jamilkhan
Added 6 months ago, by Simon
I really enjoyed this course. I've a history in networking elements of security systems and am looking to specialize in CCTV. Having never had any detailed knowledge on how lenses actually work, this was a fantastic overview.
Added 8 months ago, by Thomas
Added 11 months ago, by Jon

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