CST is proud to announce our full high-definition (HD) long-range camera. The Spectrel 121000/340 is...
The Spectrel OEM 121000/336 is an integrated unit, based on a highly sensitive HR-video colour CCD camera module and a powerful zoom lens, ideal for day/night surveillance for camp perimeter protection, homeland security, critical infrastructure protection (CIP) applications.
It is designed to deliver high-performance images, even under the harshest conditions, in temperatures ranging between -40°C to +70°C.
The optical system was developed specifically for use in long range surveillance. It features continuous zoom, with powerful zoom ratio of 30mm – 1000mm, auto-iris and focus adjustment from 3m to infinity.
The "Auto-Focus on Demand" lets the camera control the focus by the push of a button.
The lens design incorporates oil-free, low-friction surfaces with special coatings, high-speed motors with zero back-lash and high-precision feedback potentiometers. This design was chosen with the objective of meeting the highest standards for precision and accuracy and low failure rates. All lens elements are surface coated for high response throughout the visible spectrum.
The Spectrel has factory pre-aligned bore-sighting, aligned in parallel with the optical reference axis of the system. This simplifies the on-site installation work. Typical bore-sighting deviation is ±0.2 milliradians, the equivalent to staying within a target area of ±20cm, at a distance of 1km.
External video input
In order to reduce the number of channels required for slip-ring transmission, the system can support input from an external camera, such as a thermal imaging camera. Switching between the day-time (i.e. Spectrel) and external night-time camera can be manual or automatic.
The system has a built-in graphic overlay generator that allows arbitrary graphic overlays to be inserted into the image output. Typical overlays are text strings, showing azimuth, elevation, GPS data or status of weapon systems and symbols, such as hair crosses or other reticles.
Programming the graphic overlay engine is done via the RS-422 (or optional CAN-BUS) interface. Graphic overlays can be customised to suit specific user requirements.
Continuous digital zoom
The Spectrel 121000/336 provides continuous digital zoom with 2x range, selectable from the serial interface.
Expanded hi-dynamic range (XDR)
XDR is useful in conditions where there are large variations in brightness in the picture, i.e. when there are very dark and very bright areas in the picture. XDR amplifies the signal level in dark areas and reduces it in very bright areas thereby improving the visibility in the picture.
The fog penetration function is designed to automatically increase visibility under conditions such as fog, haze and fire smoke. The camera continuously analyses the picture and once it detects a low-contrast condition, it will automatically enhance the contrast.
Digital noise reduction (DNR)
The digital noise reduction in the Spectrel 121000/334 camera system is a function that analyses the video image and reduces the noise, particularly in low-light conditions. The analysis is based on a 2D and 3D algorithm.
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