Thunder Laser cutting tips: Selection of lenses when using ODIN engraving

This time we offer 4 different lenses 1.5" 2.0" 2.5" 4.0", They all have different characteristics and we can choose the lenses we want to use according to our needs
About the fineness of engraving:
1.5" better than 2.0" better than 2.5" better than 4. 0"
About the depth of cut:
4.0" better than 2.5" better than 2.0" better than 1.5"