This section introduces you to five shots and explains their scope of application.
*Application range of manual and automatic iris lens The manual aperture lens is the simplest lens. It is suitable for the condition that the illumination condition is relatively stable. The manual aperture is composed of several metal foils. The luminous flux is adjusted by a ring on the outer diameter of the lens. Rotate this circle to make the aperture smaller or larger. In environments with large changes in lighting conditions or not to monitor a fixed target, an automatic iris lens should be used. For example, where outdoor or artificial lighting is frequently switched, the aperture of the auto iris lens is driven by a motor, and the motor is controlled by The video signal of the camera. The manual iris lens and the auto iris lens have a fixed focal length (aperture) lens auto iris lens and a power zoom lens.
* Fixed focal length (aperture) lens, generally matched with electronic shutter camera, suitable for indoor monitoring of a fixed target. Fixed focal length lenses are generally divided into long focal length lenses, medium focal length lenses and short focal length lenses. The medium focal length lens is a lens with a focal length close to the imaging size; a short focal length lens is called a short range lens, and a short focal length lens is also called a wide angle lens. The focal length of the lens is usually less than 28 mm, and the short focal length lens is mainly used for ambient lighting conditions. Poor, wide range of surveillance requirements, focal length is larger than the imaging size called long focal length lens, long focal length lens, also known as telescope head, the focal length of this type of lens is generally more than 150mm, mainly used to monitor distant scenes.
*Manual iris lens, which can be used with the electronic shutter camera and can be used in all kinds of light.
*Auto iris lens (EF) can be used with any CCD camera and can be used in all kinds of light, especially for places where the brightness of the monitored surface changes greatly and the range is large. In order to avoid causing halo and burning out the target surface, an auto iris lens is generally used.
* Power zoom lens, can be used with any CCD camera, can be used in a variety of light, zoom lens is through the remote control device for light focus, aperture opening, change the focal length.
cnc machine for steel plate is used for punching, drilling, tapping on big size steel plate.
There are three kinds of machines,
one is Gantry Type Plate Drilling Machine is used for drilling holes on steel plate, max.thickness is 300mm.
second is gantry type plate drilling tapping machine, which can do tapping job on steel plate.
third is high speed gantry type plate drilling machine, the max, drilling speed can up to 6000rpm.
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