CCTV System

depth of field
When a lens is focused on an object, theoretically, the whole plane passing through the object and …
Geometrical construction of images
Images can be constructed by using simple optical and geometrical rules. As can be seen on the …
Refraction
When a light ray traveling through air or a vacuum enters a denser medium, it reduces its …
Lens Form Factors for Image Sensor
Sensor sizes are specified by the diagonal and mainly include 1/4", 1/3”, and 1/2". A lens can …
Wide Dynamic Range
A camera with WDR wide dynamic range is able to operate in variable light conditions, especially in …
video manager
Video manager software mainly includes web-based software and central management software. Webbased software is built in the …
what is nvr
An NVR (Network Video Recorder) is an IP-based recorder that operates independently from a PC or other …
cctv system design
As CCTV is part of a multi-layered security approach, a CCTV system design should begin with a …
cctv storage calculator
in order to achieve efficient video transmission, it is important to evaluate your bandwidth requirements before setting …
Network Cameras Introduction and Types
A network camera, also known as Internet camera, IP camera or Internet video camera types , transmits …
CCTV Lens and Image Sensor Considerations
Lens Form Factors for Image Sensor Sensor sizes are specified by the diagonal and mainly include 1/4", …
CCTV Image Sensor
An cctv image sensor plays a key role in converting lights through the lens into electrical signals. …
CCTV camera lens types
The generation of a high quality image is decided by many factors including light source of the …