Capability:
Attribute | Commercial | High Precision |
Material | BK7 grade A Optical glass | |
Diameter Tolerance | Φ2.0mm to Φ800mm | |
Thickness Tolerance | thinest 0.5mm | |
Diameter Tolerance | +0.0, -0.2mm | +0.0, -0.1mm |
Thickness Tolerance | ±0.1mm | ±0.01mm |
Parallelism | <1 arc minute | <10 arc seconds |
Surface Quality | 40/20 scratch and dig | 10/5 scratch and dig |
Surface Flatness | λ/2 @ 632.8nm | λ/6 @ 632.8nm |
Protective Bevel | 0.1-0.5mm × 45° | 0.05-0.2mm × 45° |
Note: All sizes and coatings are available upon request.
TENSUN OPTICS Standard Size: D25.4*6.35mm, D50.8*9.525mm