Traditional Culture Encyclopedia - Photography and portraiture - What is the flash of a general SLR camera for?
What is the flash of a general SLR camera for?
The full name of the lamp is ring flash. As the name implies, the ring flash is a professional flash installed in front of the lens, which is arranged in a ring or ring. Generally used when taking macros. Generally, SLR cameras can be equipped with ring flash, and the macro effect has nothing to do with the camera model. Some photographers also use high-power ring flash in portrait shooting, in order to eliminate the obvious outline shadow left on the back of the portrait after ordinary single-point flash, and the ring flash can also leave a round eye. Due to various restrictions, the function of the built-in flash is not perfect. Some of them can realize Hou Lian synchronous flash, surround flash exposure and flash exposure compensation. The flash index is 14~20, which is far from the index of "independent external flash" (60).
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