Aspheric/Specialty Lenses
Ultra Micro Lenses

Ultra Micro Lenses

Molded aspheric glass lenses with 0.35 and over in diameter
Using high refractive index glass materials for our ultra micro lens allows an objective lens in a fiberscope to take a wider field of view.

Applications

  • Objective lens used in a small diameter fiberscope, for the purpose of wider angle of view

Specifications

Diameter*1 φ0.35 mm and over
Center thickness 0.2 mm – 5 mm
Lens shape Plano, biconvex, biconcave, and convex-concave (meniscus)
Curvature radius More than 0.4 mm of curvature
Coating AR coating or other coatings available upon request
Note*2 Cover glass can be attached for biconvex and biconcave shaped lens
  • *1 Please contact us for lens of which size is smaller than φ0.35 mm.
  • *2 Since some shapes cannot be formed, please contact us for details.

Accuracy

Tolerance Standard precision value Best measurement value
Diameter ± 0.01 mm ± 0.003 mm
Center thickness ± 0.02 mm ± 0.005 mm
Deviation and irregularity 5 (3) 3 (1)
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