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Monitor camera parameters how to see the bigger the bigger the better?
- Lens focal length and angle Focal length Specification angle 2.1 mm Small lens 1/3 150 ° 2.5mm. Small lens 1/3 130 ° 2.8mm Small lens 1/3 115 ° 2.8mm. Fixed aperture 1/3 115 ° 2.8mm 1 / 3 96 ° 4mm 1/3 78 ° 6mm 1/3 53 ° 8mm 1/3 40 ° 12 mm 1/3 23 ° 16 m 1/3 17 ° 3.5-8 mm 1/3 96 ° - 45 ° 6-15 mm 1 / 3 54 ° - 23 ° 6-36mms
Elevator in the monitor camera lens focal length with the number
- The smaller the number of millimeters, the greater the angle, see the closer .3.6 mm angle of about 75 degrees, the proposed monitoring distance of 5 meters .2.8 mm angle of about 90 degrees, the proposed monitoring distance of 3 meterss
What is the number of lines that a surveillance camera needs to use?
- If it is a network camera is a network cable on it, the network camera to install the pickup, audio, video signals transmitted through the network.s
Panasonic surveillance camera wv-cp704 / ch corresponding to which foreign models
- 2. Outside the network, then the first domain name under the first ping, whether normal, check whether the domain names
Does the surveillance camera itself have a record storage function?
- Usually used in analog surveillance cameras are generally only with the signal output itself does not record storage functions
Monitor inside the infrared network camera infrared light automatically switch and synchronous switch What does this mean?
- Synchronous switching --- image color mode switching action by the fill light control, light image black and white, light off image color. Thes
Monitor the camera focal length 3.6mm 4mm 6mm. What is the meaning?
- Large number of millimeters of the lens is equivalent to the local zoom, according to the needs of the venue, the size of the number of millimeters of the lens price is the same, there is a picture below you look to understand, hope to adopts
How to make cable monitoring camera temporarily failed
- If the computer is used, then the driver can be temporarily closed, and then use the time to open. If the supermarket is like a large surveillance camera, a simple way to put the video line of the line of the line pull, and then use the time to connect, you can achieve the picture you said snow, temporarily turn off the screen effect. (Before school, the classroom has installed the camera, is to use this method, when the exam more cheating insurance -!s
How to build shelves into a wall？
- How to build shelves into a wall？Although there are many different specifications of the wall hanging rack，figure can be said to be varied, but all the wall hanging rack, as lo...
How to install shelves?
- There is a bookshelf at home, we can leisurely look at the books, listen to music, even if it's just looking at the scenery outside the window in a daze,it must have been a ver...
How do forklifts work？
- Take the example of the balance heavy forklift,I will introduce the working principle of the forklift: How do forklifts work？Forklift is generally divided into the following seve...
Have you known leather type
- In selecting leather for any project or purchasing ready made products, it is very important to understand the leather type available on the market and various leather types’ pro...
Design case analysis of shopping trolleys australia
- It is well known that，the function of shopping trolleys australia is mainly for people to carry goods when they are shopping in the supermarket.It is convenient to take, and its ...