How to choose lens for different environment?

Longse designs HD cameras to provide high-definition images for surveillance centers. Its simple connection and operation is easier to accept for traditional security engineers.

Multiple product levels are available to fulfill various demands.
- HD Camera includes Value series and Pro series, which is highly cost-effective series that is to provide excellent performance at an affordable price.
- The Full Color Series is for some scenes with low light at night. This series camera offers full, vibrant color, in low-light settings.
- PTZ is an abbreviation for pan, tilt and zoom and reflects the movement options of the camera, which is commonly used in applications such as surveillance, video conferencing, live production, lecture capture and distance learning.
- Special camera is for some special scenes where need a camera for a wide range of surveillance.

Focus	Viewing Range	Viewing Angle (With 1/3” sensor)	Viewing Angle (With 1/4” sensor)	Difference
3.6mm	5m	85º	73º	12º
4mm	5m indoor, 10m outdoor	80º	67º	13º
6mm	15m outdoor	68º	56º	12º
8mm	20m~30m	45º	35º	10º
12mm	35m~40m	35º	25º	10º
16mm	≦50m	30º	20º	10º

If none of these resolve the issue please write us at online support.

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