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What You Need To Consider
- We Only Sell The Best
Why don't we have thousands of products in our Security Camera e-store when everyone else does? Answer: Because we know our products and we only sell the good stuff. (Continued...)
- Bullet Vs. Dome Cameras
When purchasing a video surveillance system, the two types of cameras that you will always consider are the bullet and dome cameras. (Continued...)
- Building / Configuring a DVR System
Building a Geovision DVR can be done in a lot of ways but for Camera Security Now there is only one way it will be done. (Continued...)
Infrared (IR) Security CamerasInfrared refers to a section of the electromagnetic spectrum, which includes radio waves, x-rays and visible light. Since part of the infrared spectrum is invisible to the human eye, cameras that are equiped with infrared sensing technology are capable of detecting images in the darkest of situations.
Infrared security cameras utilize light with wavelengths longer than 700 nanometers, which is invisible to the human eye. By using IR emitters (usually IR LEDs), the camera can send out infrared light to illuminate its target area. The more emitters a camera has, the more effective is it at illuminating a target. Certain emitters are more powerful and work best for longer distances. They achieve infrared illumination using a technology called photocell activation. Photocell activation recognizes changes in lighting conditions, so that once the infrared is no longer needed it switches to non-IR modes.
You can see how this technology works by watching this Infrared Security Camera Demo.
Staying Within Your BudgetInfrared cameras can be fairly expensive when compared to standard cameras. Most likely using an alternative solution will be more cost effective. So, whenever possible install lighting and use a standard security camera. Lighting helps deter unwanted activity and allows for more flexibility with your security camera choices. If your space has no light and adding light is, for whatever reason, just not an option then our advice is to consider using IR cameras to watch your space from the closest distance possible. That is to say, IR cameras are best used in small or even confined spaces. If none of these recommendations work for your situation then consider buying the largest IR camera your budget can afford and keep your expectations realistic. See Low Light vs Infrared Security Cameras for more information.
Professional Grade Infrared (IR) Security Cameras:
Consider the following when choosing a CCTV surveillance camera:1. Sketch out a Floor Plan:
Put in all camera locations.
Consider the distance to your surveillance zone:Are you 5 feet or 15 feet away from your surveillance target area? It is best to locate your camera as close to the surveillance area first, then choose how much zoom you need. Do you need 4mm, 8mm or 12mm lens or something way more powerful?
2. Field of view or area of surveillance: Take photos of areas you want to cover from the proposed camera locations.
What lens you need depends what you want to see and how far away and how wide a viewing area. Wide angle and fisheye lenses are available. Check out our Field of View Calculator for help.
3. Resolution: Do you want to capture a persons face or a car license plate? Each situation and expectation will determine the location your security camera will have to be mounted in and the quality of camera you will require to get the desired resolution and image quality for your shot.
4 .Vandalism potential:
Will your camera be subject to damage through vandalism or
other environmental factors? Vandal resistant cameras
are available along with a full range of housing to protect your
security camera from any environment.
5. Lighting: Is the space well lit or dimly lit. Are the lighting conditions simply unpredictable due to an outdoor influence? Are the lights turned off at night? Do you want to monitor the area with the lights turned off? Do you need infrared or low light cameras? Are yow aware of the benefits of a Wide Dynamic Security Camera?
6. Budget: Just like any technology, the more you spend, the better the system you get. Keep in mind however a low cost camera is better than no camera.
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