American made lens from Meller Optics with a triple coated crystalline material. Approximate spot size is 0.01. Lens diameter of 0.75".
We highly recommend these lenses from Meller Optics if you have a laser with power greater than 80W or utilize your laser for more than 4hrs continuously. Meller lenses combined with their mirrors will save you both and material by providing the highest quality, accuracy and consistency.
This lens will give you a much larger kerf than the smaller focal lenses and is recommended for cutting thicker materials such as 1/2" woods and acrylic.
For your thickest materials we recommend our Meller 5.0 inch lens. Approximate spot size is 0.01.