Digital CCTV Camera Guide

If you are a newbie to the whole selection of Digital Closed Circuit (CCTV for short) security selection and need to be enlightened then you have to know the answers to these frequently asked questions:

1. What is a Digital CCTV This is a technology which uses a surveillance system powered by a modem. Traditionally, the pictures from the VCR and other audio images are sent through the CCTV cameras to an area that is closed, such as a monitor. This kind of transaction produces images with low resolution. Thanks to today’s technology, CCTV goes the digital way and helps its consumers to operate remotely with the aid or a mobile phone or a PC. These can already monitor whatever they need through the GPRS access or the internet.

Digital CCTV cameras have changed the last 5 years. The industry has swayed from analog to digital.

Analog CCTV cameras Cameras were connected to a multiplexor. It is a device which splits the multiple camera pictures in one individual monitor. Then the Multipplexor sends the images to a Time Lapse Video Player for footage playback. These cameras are used to specially record up to 960 hours of footages and transfer these on a Video Casette with a three-hour capacity. This method is still used at the moment but it is quite simpler compared to the modern and updated Digital CCTV cameras.

Digital CCTV Cameras These are the systems currently being used by Digital technology. The CCTV surveillance uses the current PC technology in digitizing the CCTV images from the camera and then compressing them to a file that is compatible to the PC format. These images are stored on the PC’s Hard Disk Drive. It is possible to save the footages and access these easily and quickly. Digital CCTV cameras have an edge compared to Analog systems simply because the resolution is better with the former.

In choosing a CCTV camera, one must go for the correct kind and this is done by knowing what the digital surveillance capacity of his system is. Together with the CCTV lens as well as the charging devices, digital CCTV cameras sensor the images that are turned in through a signal sent by the surveillance system monitor.

These are the deciding factors one must follow when selecting a CCTV camera as well as the lens for the surveillance system.

1. Where will the digital CCTV camera be placed? Will it be placed indoors or outdoors? If outdoors, get the kind that is weather-proof and has longer durability as opposed to the CCTV cameras that are placed indoors.

2. Will the camera record in low-light conditions? Will it record during the day or during the night? How much amount of light variance is present? Should you get the camera that can refract the light?

3. How narrow or wide should the required angle vision of the camera be? Should you get the CCTV camera that goes 360-degree angle or is the 180-degree angle enough?

4. How far away must the object be from the camera? Should they be near or far from the focal point? What is the exact angle you’re after?

5. How much is your budget? This is quite a crucial question because you might fancy a camera but it is beyond your budget.

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