Lens

There are 3 different lens that affect the way the laser is focused on the material chosen.

Firstly, the 1.5″ lens is the best for detailed engraving, but has limited use when doing 1 – 2 mm engraving of material.

Secondly, the 2″ lens is the most common, and has a higher quality when working with black lines.

Lastly, the 4″ lens is bad at engraving, but is better at cutting materials of 8 – 15 mm thickness.