Traditional Culture Encyclopedia - Photography major - How to charge canonpc 1620?
How to charge canonpc 1620?
When charging, the charging voltage must be higher than the battery voltage to charge normally, and the voltage will be pulled up.
Moreover, the battery is connected to the motherboard, so the domestic line power supply voltage is not constant, and there is no voltage stabilizing circuit inside the camera. If you charge directly with usb cable, it is easy to burn out some sensitive precision components and damage the camera. So don't use usb to charge Canon camera.
Canon digital camera has two charging methods. The first is that the battery can be taken out and put on the charger for direct charging, and the other is that the built-in battery can be directly connected to the power supply with USB cable without taking out.
What do "AF" and "MF" on Canon digital cameras mean?
The AF/MF on the lens is automatic and manual switching, mainly depending on whether the photographer is used to manual focusing or automatic focusing when taking pictures. AF stands for auto focus, and the camera automatically controls the lens focus. MF stands for manual focusing, that is, the user turns the focus ring by his own feeling to focus. At present, there is no focusing motor on the fuselage of many cameras, so in order to make the camera realize autofocus, a motor is installed on the lens, so that autofocus can be realized. In other words, this is the start of the motor. When the switch is turned to AF, the focus ring will get stuck. Manual operation is not enough, and the zoom motor completes the focus. When moving to MF gear, the motor is turned off and the focus must be manually focused.
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