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CCTV FACTS

British police are being issued with miniature cameras attached to their helmets and caps to help gather evidence of crimes without the need for written statements or lengthy court appearances.

Medium Resolution Monochrome, ( black & white ) with good sharp images of around 400 lines and light sensitive down to 0.1 lux these are excellent all-round cameras which can easily meet smaller budgets.

High Resolution Monochrome with premium digital technology performance of 580 line and 0.05 lux ensure superb pictures even in very dim lighting conditions. Medium Resolution Colour: Never before have colour cameras been as good or as accessible to smaller budget systems. Excellent for retail and good quality general surveillance, with typical 350 lines and 1.5 lux performance.

High Resolution Colour: Full digital colour cameras offer premium pictures with crisper definition and excellent performance to 480 lines and 1 lux.

Day/Night Cameras: All day and all night - one camera. Using the latest digital intelligent sensing, these cameras offer the full performance of the high-resolution colour cameras by day, then automatically switches to high-resolution monochrome camera when light levels fall.

For premium installations.

What is lux?

Lux is the standard measurement of light. Typical levels of lighting as recommended by the lighting industry are:

Indoor
Warehouses 20- 75 lux -
Emergency stairs 30-75 lux -
Corridors and stairs 75- 200 lux -
Shops 75-300 lux -
Offices and reception areas 300 -500 lux -
Banks and offices 200-1000 lux -
Assembly lines 300-1000 lux

Outdoors
Full sunlight 10,000-1,000,000 lux -
Overcast day 100-10,000 lux -
Twilight 1-10 lux
Full moon 0.1-1 lux -
Overcast night 0.01-0.1 lux -
Star light, clear 0.001-0.01 lux -
Star light, overcast 0.0001-0.001 lux


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