• 产品名称: Precision Molding Aspherical Lens

   

  Introduction

  Aspherical lenses manufactured by low-melting-point glass and infrared chalcogenide glass through a precision molding technology are widely applied to digital products, OA products, monitoring lenses, vehicle-mounted lenses, laser equipment, optical communication instruments, infrared imaging and intelligent home appliances and many other fields.

  Advantages:

  1、Precision molding aspherical lenses covering all the low-temperature optical glass materials of Chengdu Guangming are available.

  2、The product can be classified into bi-convex lenses, bi-concave lenses, crescent lenses, planoconvex lenses and planoconcave lenses, with the caliber of φ3-40mm.

  Technical parameter

External diameter
Surface precision

Ø3~ø10 Ø10~ø20 Ø20~ø30 Ø30~ø40

Design_R-PV

≤0.2µm   ≤0.5µm   ≤0.8µm ≤1.0µm

Bestfit_R-PV

≤0.2µm ≤0.4µm ≤0.5µm ≤0.5µm

Diameter tolerance

±0.01mm ±0.01mm   ±0.01mm   ±0.01mm

Center thickness tolerance

±0.01mm ±0.01mm ±0.01mm ±0.01mm

Eccentricity

45″~60″   45″~60″ 60″   60″

Roughness(Ra)

5nm   5nm   5nm 5nm

Appearance quality

MIL 60-40
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