Ball lenses are manufactured from a single substrate of glass and can focus or collimate light, depending upon the geometry of the input source. Application: medical endoscope,fiber optics,laser parts,optical instrument...

Yutai Optics Stock Balls:

Material	Diameter(mm)
Sapphire	1/2/3/4/5/6/8/9/12/16/20
Fused silica	1/2/3/4/5/6/7/8/10/1215/16/20/30/50
K9	1/1.6/2.1/2.5/2.75/4.5/5/5.26/6.2/7/8/9/12/13/15/16/17/22/38
H-ZK3	4.27/4.32/4.78
H-ZF6	5.334/5.34/6.215

We have hundreds of balls for different materials and diameters,please contact us if you need others.