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Optical Ball Lenses

Spherical lenses are processed through milling, rough grinding, fine grinding, grinding, and polishing precision processing techniques to produce high-precision spherical lenses that meet optical quality requirements. Precision polished spherical lens with optical aspheric surface shape accuracy ≤ 0.5 micron and surface roughness Ra ≤ 0.05 micron.

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Specifications of Ball Lenses


Spherical lens product parameter table
ProjectIndicator requirements
1.MaterialUse various materials such as optical quartz, optical glass, etc.
2. DiameterOD≤300mm
3. Center thicknessaccording to customers needs
4. Effective focal lengthaccording to customers needs
5. Working distanceaccording to customers needs
6. Design wavelength430~633nm, 630~780nm, 1550~1620nm
8.CoatingAR anti-reflection coating R<0.2% @λnm according to customer requirements
9. Eccentricityaccording to customers needs
10. Effective apertureED>80% aspheric area
11. Surface shapeHigh precision Rt≤0.5μm, precision Rt≤1μm
12.Surface quality60-40, 40-20, 20-10, 10-5


Features of Ball Lenses

Features of Ball Lenses
  • One-stop customized production: Tianyanggu Company processes various plano-convex, biconvex, and convex-concave structure spherical lenses according to customer requirements. The lens shape can be circular, D-shaped, square, trapezoidal, etc.

  • Material: Use optical quartz, optical glass and other materials.

  • Lens properties: uniform light spot, clear projection, complete specifications, aerospace quality

    Product indicator description:

    1. Maximum dimensions of circular spherical lens: OD≤φ300mm

    2. Maximum dimensions of square spherical lens: ≤210×210mm

    3. Spherical lenses can reach the following accuracy levels according to customer requirements:

    High precision grade: surface error <0.5μm, surface roughness <0.05μm

    Precision grade: surface shape error <1μm, surface roughness <0.1μm


  • Surface defect grade: 60-40, 40-20, 20-10, 10-5. Produced according to customer requirements.

  • Coating: Coating according to customer requirements.

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