使用反光板锁定和快门线。

Use mirror lock-up and a cable release.

youdao

同样还要注意的是，经过反射的光线其行进的距离也会增加，即使使用光面反光板也一样。

Also remember that bouncing light-even into a shiny reflector that keeps light directional - adds to the distance it travels.

youdao

同样还要注意的是，经过反射的光线其行进的距离也会增加，即使使用光面反光板也一样。

Also remember that bouncing light-even into a shiny reflector that keeps light directional - adds to the distance it travels.

youdao