Drum Lenses

Drum lenses are glass spheres, ground down axially to provide a mounting surface. The ground circumference D simplifies handling issues typically associated with ball lenses. 




SPECIFICATIONS
Material
BK7
Nd=1.517
LaSFN9
Nd=1.850
Diameter Tolerance
+0/-50μm
Length Tolerance
±3μm
Surface Quality
40-20
Size D x L (mm)
2.0x2.5
2.4x3.0
3.2x4.0
4.0x5.0

Building No.15, Haixi Innovation Science Park, Wulongjiang Avenue, Shangjie Town, Minhou County, Fuzhou, Fujian 350108, P.R.China.

Tel:+86 (0) 591 8385-0581  Fax:+86 (0) 591 8385-0580

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