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Fish-eye cameras
Also known as 360° or virtual PTZ cameras. Without moving parts, are being considered as probable replacement of mechanical PTZ cameras.
Our eyes, cameras and lenses - Part 1
Cameras and lenses are the artificial equivalent closer to the wonderful machine that is our vision. So, in order to understand and take advantage of them better, we have to first understand how human vision is processed.
See how HD analog video technology is threatening the reign of IP cameras.
Check that, you may be using the wrong connector.
How to fix a problem with a defective power supply in a few minutes. Remotely, no need going to the costumer.
For less than 25 bucks, ensure uninterrupted power supply to your CCTV system. A simpler and more efficient solution than the best UPS in the market. And with 10 hours of battery life!
Cameras and lenses are the artificial equivalent closer to the wonderful machine that is our vision. So, in order to understand and take advantage of them better, we have to first understand how human vision is processed.
Cabling - Part 2
Metallic cabling
Learn how a metallic cable behaves when it receives a video signal or a DC voltage .
See how HD analog video technology is threatening the reign of IP cameras.
Cabling - Part 3
Coaxial cables
At first, video signal from a CCTV camera was set to be carried by coaxial cables, which lasted for many years ...
Fiber optics x coaxial cable or UTP .
Pros and cons.
Our eyes, cameras and lenses - Part 2
Visual acuity and resolution
Do you know how many megapixels of resolution is our vision? Learn also how to leverage all the knowledge acquired about our eyes to design more efficient and ergonomic CCTV systems.
H.265: The new image compression format
It promises same quality as H.264 using half of the bandwidth.
CCTV market trends
This was one of the first articles I wrote for the CCTV Institute website.
One year on, see what really happened , if these predictions come true or not.
Megapixel or Speed Dome?
It's said that a megapixel camera is a better alternative than a speed dome. Is that true?
Video Signal Transmission
There are several ways to transmit a video signal coming from a camera to its destination. Compare the advantages and drawbacks of each one.
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UL 2802: Finally a standard for testing cameras?
When we need to specify cameras for a project, comparing cameras from different manufacturers is always a problem...
Person of Interest
"You are being watched. The government has a secret system. A machine. It spies on you every hour of every day..."
That's how starts Person of Interest's TV series. Know what it has to do with CCTV and why it worths to be watched.
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