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Okorder.com is a professional Surveillance Equipment supplier & manufacturer, offers integrated one-stop services including real-time quoting and online cargo tracking. We are funded by CNBM Group, a Fortune 500 enterprise and the largest Surveillance Equipment firm in China.Hot Products
FAQ
- What is the difference between the zoom lens, the automatic aperture and the manual aperture?
- Zoom lens, the focal length can change the lens, the image can zoom in and out, zoom in and out.
- What is the meaning of monitoring the camera mm?
- The focal length is the measure of the aggregation or divergence of the light in the optical system, which refers to the distance from the light of the lens to the focal point of the light gathering. Is also the camera (class camera) system, from the lens center to the film or CCD and other imaging plane distance. Simply say that the focal length is the distance between the focus and the vertex of the mirror
- Monitor the important parameters of the lens
- F value = f / D (f: focal length, D = lens aperture) depth of field refers to the camera lens focus is completed, in the focus before and after the range can form a clear image, the distance range, Depth of field.
- About installation monitoring, how to monitor the number of meters according to the range and distance?
- Third, single-lens monitoring is simple, and more get a lens can be improved, and now 2IT's hard drive also has a large capacity of the hard disk for large-capacity information to create the conditions.
- What is F1.2 F on the camera lens? What is the parameter, 1.2 and what are the parameters
- This is the aperture of the aperture, in the camera device, F or F stands for the aperture, and the larger the number is the smaller the diameter of the aperture
- 5 meters away with the number of mm monitor camera lens appropriate?
- Monitor the camera lens 3.6mm (4mm) viewing angle of 69.9 °, identify the face is 3 meters to 5 meters.
- The surveillance camera has a lot of waves
- You have a long distance between this point and a break point. If a line has such a ripple, you can add an active anti-jammer on both ends of the video. There's a lot of this on the X treasure. It works.
- What does it mean to monitor a camera with 4mm on its head
- 4mm is the shooting range of the lens! For example, the 35mm of the camera lens refers to the focal segment, which is the shooting Angle. 4mm is super wide Angle meaning shooting range is very big!
