CCTV being a viable security partner provides numerous ways to prevent & recover to crimes that are most common within our societies such as burglary, vandalism, theft, etc. It provides the means to monitor as well as record numerous activities being carried out within specific premises. Modern era relies on CCTV more than anything as it ensures the safety of the top level alongside providing vital evidence in terms of mishap. CCTV has gained much popularity in past few years with numbers growing from being billions to trillions. Surveillance & Security has been so easy but the fact a remains that very little is still known about CCTV especially to common users.
Numerous people prefer usage of CCTV but know little about what’s inside this mighty security agent. A CCTV is equipped with numerous components such as power battery, rotating equipment, etc but the ost important component within a CCTV Camera is its Lens. Lens is like the eye of a camera it provides the capturing capability for CCTVs which is in stored within a storage place in the form of a video. This article provides an insight on what basic features of a lens:
Focal Length:
Focal length is referred to as the distance between the lens to the point at which the image is focused. Focal length measurement is usually expressed in millimeters (MM). Focal length usually is available in wide variation but the smallest the focal length number of the lens is the wider its field of view will be.
Zoom:
A special feature that is not necessarily available in all CCTVs although that was a thing of the past as modern CCTVs is usually equipped with this feature which can come in handy at any time. Zoom lenses can automatically adjust focus to increase the definition on a given object, but generally are more expensive than fixed camera lenses.
So, that’s it, for now, folks, Further information about the lens of a CCTV will be provided in upcoming blogs so stay tuned to cayera.
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