Symmetric-concave Lenses
1.Diameter Tolerance: +0.0, -0.05mm
2.Center Thickness Tolerance: +/-0.05mm
3.Surface Quality: 40-20
Port: Fuzhou
Minimum Order Quantity: 10 Piece/Pieces According to your demand
Supply Ability: 10000 Piece/Pieces per Month According to your demand
Payment Terms: T/T
Contact SupplierPackaging Detail: Neutral packing
Delivery Detail: 30-45days
Symmetric-concave Lenses Material: | Grade A optical glass or Fused Silica |
Dimension Tolerance: | +0.0, -0.1mm |
Center Thickness Tolerance: | ±0.1mm |
Paraxial Focal Length: | ±2% |
Surface quality: | 60/40 |
Clear Aperture: | >85% |
Surface Figure: | λ/4 @633nm |
Centration: | 3 arc minutes |
Bevel: | <0.25mm×45° |
Coating: | Upon requirement |