Filter
Top Products
Camera Resolution
The higher the resolution the sharper the picture. The best resolution available at
present for CCD cameras is approaching 750 horizontal lines (TV lines) (3-CCD,
DXC-950P) and 500 vertical lines.
Resolution is not necessarily the key decision point. Low resolution CCTV, which
is usually lower cost, is often perfectly adequate and the final choice depends on
the combination of camera features and build quality together with site conditions
and available funds. As a general rule, a high resolution is preferable in low light
levels and when identification of points of fine detail are required.
Sony ExwaveHAD CCD Technology
A key question to consider is whether colour or black and white cameras should be
selected. Not many people now watch black and white television in their homes – a
colour picture is easier to interpret, provides more information and is more natural
than a monochrome one.
In surveillance applications, the split currently between colour and monochrome
is about 50/50. In recent years, the price difference between the two has
diminished. The principal limiting factor against the use of colour cameras has been
the ability of colour cameras to operate effectively in poorly lit areas.
To meet this demand for colour images in low light, manufacturers have
13
For more information contact the Sony Business Information Centre: 01932 816340
Choosing a Camera
TURNER TO
INSERT IMAGE
(GLASS YOU
SCANNED!).
ADJUST PIC BOX
IF NEC.