Q:Home pinhole wireless surveillance camera where to sell? How much is the miniature camera?

And object-oriented design is from another way to solve the problem. The whole backgammon can be divided into 1, black and white sides, the two sides of the behavior is exactly the same, 2, board system, responsible for drawing the screen, 3, the rules of the system, responsible for judging such as foul, winning or losing. The first type of object (the player object) is responsible for accepting the user's input and informing the change of the chessboard layout of the second type of object (checkerboard object). The chessboard object receives the i's change in the piece to be responsible for showing the change on the screen, The third type of object (rule system) to determine the chess game.

Q: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 ° 6-36mm

Q:Buy monitor camera attention to what

Because DSP and associated technology continues to improve, so many international type of camera manufacturing enterprises and domestic enterprises launched a different type of high-definition cameras.

Q:Monitor camera parameters how to see

Focal length (f): focal length is the distance between the lens and the photosensitive element, by changing the focal length of the lens, you can change the lens magnification, change the size of the captured image. When the distance between the object and the lens is very far, we can use the following formula: lens magnification ≈ focus / material distance. Increase the lens focal length, enlarge the magnification, can be closer to the vision, the scope of the screen is small, the details of the vision to see more clearly; if the lens to reduce the focal length, magnification reduced, the scope of the screen expanded, See the bigger scene.

Q:Monitor the top ten cameras

Foreign brands: SONY, Panasonic, Samsung, Sanyo, Pyle high, Honeywell, and so on domestic brands: Yaan, Ming King, SOWZE, Hai Kang Wei as. The The Too much

Q:Monitor the camera automatically zoom, electric zoom, manual zoom, zoom lens meaning and difference?

Electric zoom: Electric zoom usually refers to the camera through the console (such as hard disk recorders, matrix controller, cloud mirror controller) can make the camera zoom.

Q:Dvr monitor the video recorder without image output is what the problem

What show? Is the connection right? Machines and connections are no problem, that is, the connection and display and video recorder display mode no election.

Q:Can I monitor the camera directly on TV?

Can be directly connected to the TV, but can not video, the camera that you see the range, to the market and they say that this can be the case, they will give you with a good

Q:Monitor camera lens 4-6-8-12-16MM difference.

These numbers on the lens label refer to the focal length of the lens. The larger the value, the farther the distance the lens can reach, but the angle becomes smaller.

Q:The monitor camera does not display the image on the display

The camera directly connected to the hard disk video recorder, if there is no image, there is a problem line.