Photographic flash

Flash is a kind of photographic equipment, which is often used to shoot portraits or products. The Chinese full name is "electronic flash", also known as "high-speed flash". The flash lamp stores high-voltage electricity through the capacitor, and the pulse triggers the flash tube to discharge, thus completing the instantaneous flash. The color temperature of a typical electronic flash is about 5500K K.

Flashlights can be roughly divided into three categories, and different types of flashlights have different functions and performances.

Built-in flash, the use of built-in flash will cause a lot of consumption of camera power, and the built-in flash does not support various advanced functions.

External flash, usually located at the top of the camera fuselage, is also called overhead flash, and high-end external flash also has various advanced functions; Such as TTL, slow synchronization and other functions.

Photo studio flash, high-power flash used in professional photography places such as photo studio, photo studio and studio, is generally unable to be held by hand due to factors such as weight and volume, and has higher power and more functions than other small flash.