optic@szlaser.com
+86 755 8327-2881
Material: N-BK7
Diameter Tolerance: ±0.05mm
Surface Flatness: N<λ/4~λ/10@632.8nm
Coating: PBS coating
Smallest Size: 0.5 x 0.5 x 0.5mm
Surface Quality: 60/40~20/10
Beam Deviation: <3′