What does flash mean?

Flash is a kind of lighting device, which can emit strong and short light in a very short time.

Flash, called flash in English, is a device to increase exposure, especially in dim environment. Through the use of flash, the subject can be brighter, which is helpful to improve the shooting effect. The working principle of flash lamp is to store high voltage electricity through capacitor, and then discharge the flash tube under the trigger of pulse to complete instantaneous flash. The color temperature of the flash lamp is close to the color temperature in the sunlight during the day, and its luminescent property belongs to the cold light type, which is suitable for shooting various objects, including those that are afraid of heat.

In the field of photography, flash is widely used and becomes an important auxiliary tool in the shooting process. Both professional photographers and ordinary users can get better shooting results through flash.

It should be noted that there are many kinds of flashlights, including built-in flashlights and external flashlights. The built-in flash is usually located at the top of the camera, which is the camera's own flash. External flash needs to be purchased additionally and can be placed outside the camera to provide more flexible flash control.

Types of flashlights

1, according to the installation position, the flash can be divided into built-in flash and external flash. The built-in flash is generally located inside the camera, which is suitable for indoor shooting. The external flash can be placed outside the camera and controlled by the flash or TTL mode, which is more flexible and controllable.

2, according to the function and use, flash can be divided into studio flash, hot shoe flash and outdoor flash. Studio flash is usually used for professional studio shooting, with higher brightness and more accurate control. Hot shoe flash is commonly used in daily shooting, and it can be easily inserted into the hot shoe interface of the camera to realize rapid control and operation. External flash is suitable for outdoor shooting, with rain and dust prevention functions, and can adapt to various harsh shooting environments.

3. In addition, there are some special types of flashlights, such as TTL flashlights, flashlights outside cars and soft masks. , all have their own unique functions and uses.

In short, there are many types of flash, and photographers can choose the appropriate type and brand according to their own needs and shooting scenes.