Surveillance Camera Lenses

Surveillance cameras are cameras used to observe an area over time, whether a public space, a commercial premises, a transport setting or a private site. This page covers lenses for surveillance cameras, as an application area. Availability of a suitable lens from Hangzhou Ai Ke Electronics Co., Ltd. is not established for any particular requirement; ask whether a suitable lens is available before ordering

Surveillance differs from security in emphasis rather than in hardware: where security language stresses protection, surveillance language stresses observation. The same lens categories serve both, but the planning questions differ, because a surveillance buyer often needs to cover a larger area for longer, and to review the picture later rather than act on it live.

What surveillance use requires

Surveillance installations often cover wide areas: a forecourt, a hall, a yard, a road frontage or a warehouse floor. The lens must give a view that stays useful across that area, and the buyer must decide what counts as useful, whether a general overview, movement detection, or a recognisable view of a particular person or vehicle.

The surveillance lens guide on this site explains the concept in more detail, and the focal length guide explains how the choice of view is described. Both are worth reading before an inquiry, because they give the buyer the vocabulary to describe the view that is actually needed.

Planning a surveillance view

Planning a surveillance view means walking the area, real or on a plan, and marking what each camera must see and what it may ignore. Blind spots matter more in surveillance than in a single-camera security job, because a gap in coverage is a gap in the record, and the lens choice for each camera should be checked against its neighbours.

Light, weather and seasons matter too. A camera facing a bright entrance, a shaded yard or an outdoor boundary faces different conditions, and the inquiry should say so, so that the lens offered is judged against the real scene rather than a showroom scene.

What to confirm before ordering

Confirm the lens category and, where one is offered, the model that fits the buyer's surveillance camera and the area it must cover. Confirm the specifications, minimum order quantity, lead time and price for the quantity required, and confirm compatibility with the camera and mounting arrangement.

Documents should be confirmed at the same time. Certificates available upon request. No certificate detail is stated on this site.

Frequently asked questions

Is surveillance the same as security?

The hardware overlaps, but the planning differs. Surveillance stresses observation over time and across an area; security stresses protection of a premises. Read both pages if the job covers both.

How many cameras will I need?

That depends on the area and on what each view must show. This site does not plan installations; describe the area in an inquiry and discuss camera positions with the company.

What should my inquiry include?

The camera, the area to be covered, each mounting position, the light conditions, and what each picture must show.

Related pages

• Security Camera Lenses
• Surveillance Lens Guide
• CCTV Camera Focal Length Guide
• CCTV Camera Lenses