For the Godox FLS8 Fresnel Lens
Shape and control the direction and spread of the light beam
Cut the beam, so the light falls on one specific area
Prevent light spills that can cause unwanted lens flare

For the Godox FLS10 Fresnel Lens
Shape and control the direction and spread of the light beam
Cut the beam, so the light falls on one specific area
Prevent light spills that can cause unwanted lens flare