Premium GaAs optical lenses made from gallium arsenide material, ensuring exceptional durability and heat resistance. Available in a complete range of specifications and focal lengths, including 38.1mm, 50.8mm, 63.5mm, and more, to meet diverse application needs. Double-sided coating provides enhanced resistance to wiping, ensuring longevity and performance in demanding environments. Compatible with machines ranging from 100W to 200W, making these lenses ideal for various strong light applications. Each set includes 1PCS, allowing for easy selection of the correct size and parameters tailored to your specific usage requirements.