![](https://cdn.shopify.com/s/files/1/0565/5003/1433/t/5/assets/1-1659506552164.jpg?v=1659506552)
(2pcs/Set) Laser Collimator/Focus Lens
Material:JGS1 Quartz(Fused Silica)
Diameter:24.7 28 30 mm
Focal Length: 75 100 125 150 155 190.5 200 250mm
2pcs/set:1st Convex-Convex, 2nd Concave-convex
![](https://cdn.shopify.com/s/files/1/0565/5003/1433/t/5/assets/-1660287484407.jpg?v=1660287485)
![](https://cdn.shopify.com/s/files/1/0565/5003/1433/t/5/assets/-1660269848851.jpg?v=1660269850)
(2pcs/Set) Laser Collimator/Focus Lens
Material:JGS1 Quartz(Fused Silica)
Diameter:24.7 28 30 mm
Focal Length: 75 100 125 150 155 190.5 200 250mm
2pcs/set:1st Convex-Convex, 2nd Concave-convex