What is a multi-mode manual flash and how to use it?

It is the strobe function, which can set the flash output, times and frequency of "each trigger period" respectively.

If it is set to:1128? 10 - 4Hz

It means: 4 times per second at the frequency of1128 of the total output; Flash 10。

Requirements: shutter speed should be _ (total flash times ÷ flash frequency); In this way, the track effect can be photographed.

Extended data:

Multiple exposure is a shooting technique, but in order to set off the atmosphere, this technique is often chosen, and two or more exposures with different focal lengths are used to express the content that is difficult to express in a photo.

Multiple exposure technology is generally used to take two or more photos. It can be said that the multiple exposure function is the product of the film camera era. In traditional film SLR cameras, multiple exposure is a very important function and a unique photography technology.

The principle of multiple exposure technology is to shoot multiple images on one film, so that an object can appear in the picture many times, and it can shoot magical effects out of nothing. This is its unique charm and attracts many people to use this technology.

References:

Baidu Encyclopedia-Multiple Exposure

References:

Baidu encyclopedia-shutter speed