Singlet Lenses

Type: Plano-Convex, Double-Convex, Plano-Concave, Double-Concave, Meniscus


Material: BK7 grade A optical glass, Fused Silica, grade A, CaF2, YAG, Sapphire, ZnSe, ZnS, Si, Ge…

Dimension Tolerance: +0/-0.1mm
Center Thickness: ± 0.2mm
Focal Length Tolerance: ± 1%
Surface Quality: 60-40 up to 10-5
Surface Figure: up to λ /10 @ 633nm
Clear Aperture: > 90%
space < 5 arc minutes for f ≤ 0mm
space < 3 arc minutes for f > 0mm
Bevel: 0.25mm x 45 degree



  • Material can be designed by OEM customers or Sinoceramics
  • Micro lenses less than 2.0mm in diameter
  • Large lenses more than 200mm in diameter
  • Special optical parameter can be required by customer
  • BBAR coating is available when required
  • High reflectivity coating for laser cavity application