Talk:Ultraman Tiga (character)/@comment-37663076-20181129161544/@comment-5527544-20181129162650

It goes like this...

The suit actor takes a pose. The camera stops, a new costume is brought in, and they switch to that one, or to a different actor in a different suit. That actor will then got stand in the same position and in the same stance as before and the camera starts rolling again. Later one a special effects artist will put the light effect on the video, to blend the two cuts together.

Welcome to Japanese Special Effects 101.