This is a commonly used filter,
Almost all movies will use it.
Create the effect of wide screen and Anamorphic style flares。
Simulate the anamorphic streak effect.
Rainbow streak, like a rainbow, has many colors.
Create a colorful flare wiredrawing effect.
4 strengths: 1 mm (strongest effect), 2 mm, 3 mm and 4 mm (most subtle effect).