Video Varifocal
Here are Todays Amazing Video Varifocal Deals
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More Great Information on Video Varifocal:
Tips on choosing Day/Night camera by Eugene Azarell
The most important feature of the Day/Night camera is to provide non-stop monitoring of the object, delivering clear quality images with high resolution and sensitivity.
Modern technologies enable camera to provide high-quality camera operation: CCD and DSP processors allow Day/Night camera to generate detailed images, IR cut filter provides round-the-Clock Camera operation, switching CCTV camera between Day/Night modes.
Choosing the right Day/Night camera installer should pay attention to its functionality, compatability with other devices in CCTV system and easy installation of the camera. Helping to make the right choise of the camera, let's hilghlight the most important features of the modern camera using Smartec STC-3009 Day/Night camera as an appropriate example.
STC-3009 features Sony SuperHAD II CCD and Sony DSP HQ1 processor allowing Day/Night camera to deliver highly detailed images with 540 TVL resolution in bright, artificial or natural light conditions. In low light conditions this camera can activate automatic gain control (AGC), which increases the signal level at 26 dB.
Round-the-clock video surveillance is provided by removable IR cut filter, which switches the camera between "Day" and "Night" modes. With a decrease of illumination level up to 2 lux, IR cut filter is automatically disabled and the Day/Night camera switches from color to b/w mode. In addition this camera can deliver color and b/w images at 0.08/0.04 lux respectively.
Digital noise reduction (DNR) effectively eliminates noise component of the video signal allowing camera to improve image quality even in low light conditions. With activated DNR function Day/Night camera provides significant disk space saving along with an improved visual perception of the image.
Camera settings can be configured using DIP-switches located on the rear panel of the camera. It helps installer to adjust camera modes and activate necessary functions according to the recent operating conditions. For example, Day/Night camera enables installer to activate automatic gain control (AGC), internal synchronization, flickerless/backlight compensation and electronic shutter operation.
In the base product configuration new Day/Night camera can operate indoors at temperatures ranging from -10 to +50 C. For simple camera installation it is recommended to use optional wall/ceiling brackets: Smartec STB-C01 and STB-C02. The efficiency of STC-3009 in low light conditions enables installer to use camera for outdoor operation. Depending on temperature, humidity and other factors, the camera must be placed in a thermal housing. For example, Smartec STC-1230S thermal housing features IP66 rating and ensures stable Day/Night camera operation at temperatures ranging from -40 to +50 C.
New Smartec camera supports different types of lenses allowing installer to utilize camera in different monitoring conditions. For example, STC-3009 Day/Night camera can operate using varifocal model STL-2712DC or STL-40FFDC lens with fixed Focal Length. In addition new Day/Night camera can operate with lenses with auto iris (AI), controlled by video or DC signal.
As you can see, it can be compicated issue to choose a right Day/Night camera, according to the current business needs. As for the new Smartec STC-3009 Day/Night camera, you can request additional information about this camera via info@smartec-security.eu or contact your Smartec dealers directly.
For more information, please, visit Smartec website or Day/Night camera description
Article Source: http://www.earticlesonline.com/Article/Tips-on-choosing-Day-Night-camera/825330
Tags: camera, lentille, objectif, surveillance, video