Spherical lens

Spherical lens

  • Plano convex
  • Plano concave
  • Bi-concave
  • Bi-convex
  • Positive meniscus
  • Negative meniscus

SpecificationStandard qualityPrecision qualityHigh precision quality
MaterialH-BK7, H-K9L, Fused silica, quartz and other optical glasses
Diameters2mm ~ 300mm2mm ~ 300mm2mm ~ 300mm
Diameter tolerance±0.1mm±0.05mm±0.02mm
Paraxial focal length tollerance ±2% better on request
Centration
<3'<1'<30"
Clear aperture>80% (Small size) - >95% (Large size)
Surface figure<λ/1.5<λ/4<λ/4
Irregularityλ/2λ/4λ/10
Surface quality S/D60/4020/1010/5
Bevel<0.25mm*45°
CoatingUncoated, AR, HR, PR, other coatings on request
Production capacity>500K/pz per month