Security is essential in every sphere of life. With the ongoing technological advancements, individuals and their possessions can now be comprehensively protected. Commercial and residential zones are now adopting a standardized security protocol that helps to reduce crime and monitor activity around the clock. Surveillance is possible with right CCTV cameras.
There are several security systems available in the market today; however, surveillance is on one of the most used and popular measures. Surveillance is a continuous closed inspection or monitoring of a place, people, or ongoing activity to collect information. A closed-circuit television camera (CCTV Camera) is an electronic camera that is used for video surveillance. CCTV Cameras come in several different shapes, sizes, styles, configurations and are designed to meet different purposes. If you are looking for CCTV camera dealers in Kolkata, then head to UrbanClap and start securing your home and your business.
Types of CCTV Cameras and Their Purpose
Dome Cameras are named after their shape are typically used for indoor security systems. The dome shape of these cameras allows them to be inconspicuous because it is hard to tell the direction the cameras are facing, however being still visible to the eyes. They are widely used in retail spaces. Since they are installed on the ceiling of the room they are mostly vandal proof. Some dome cameras are designed with infrared illuminators which enable them to capture videos in low light conditions.
- Video Surveillance in Retail Stores and Offices
Bullet Cameras have a long and tapered cylinder like design that resembles an oversized ammo cartridge. They are mostly used outdoors, especially in areas where long viewing is necessary. However, they can be used indoors where the long viewing is required like backyards and parking lots. They are installed inside protective casings and are typically weatherproof. Most bullet cameras come with a fixed length that allows the angle of view of up to 80 degrees. The camera is usually fitted with a fixed or varifocal lens.
- Installed where long distance surveillance up to 40 Ft is required.
- Outdoors weatherproof surveillance
C-Mount CCTV Camera can use detachable lenses to suit different purposes. Typically, a CCTV Camera can record up to 35 feet, however, if you need surveillance beyond this distance, a C-Mount Camera with a particular lens can achieve that purpose. A varifocal lens is often used because they can be used to fine tune focal distance and the angle of view. They can be zoomed in and out without losing focus.
- Surveillance where variable zoom is required
Day/Night CCTV Camera
These type of CCTV cameras can be used in both poorly lit and standard environments. Mostly used outdoors, these surveillance units have a wide dynamic range and can function under direct sunlight, glare or reflections. They are used 24×7, and these cameras do not require an infrared illuminator as they come with an extra sensitive imagining chip which is used in the dark.
- Where 24×7 surveillance is needed, often in low light conditions
Pan Tilt Zoom (PTZ) Camera
PTZ cameras can be panned, tilted, and zoomed. It gives surveillance operator the freedom to pan, tilt and zooms the lens. These cameras can be controlled manually or programmed to follow an accurate view of things. Since these cameras can be monitored using live controls, they are employed in highly sensitive zones where live monitoring is required.
- PTZ Cameras are expensive and are used in sophisticated surroundings where responsiveness is highly valued
High Definition CCTV Camera
HD CCTV Cameras can record at high frame rates and at HD quality which is comparatively at a higher resolution than other CCTV Cameras. This type of camera can capture finer details while giving the operator the option to zoom in without losing picture quality.
- They are installed in highly niche places like casinos and banks
- Casino managers often check if a player is counting cards or not through this camera
There are several types of CCTV cameras with unique features for different purposes. If you are in the market for a security measure the CCTV cameras are an excellent way to ensure surveillance in your home or business space.