Objective lens
  • Objective lens
  • Objective lens
  • Objective lens

Objective lens


In optical engineering, the objective is the optical element that gathers light from the object being observed and focuses the light rays to produce a real image. Objectives can be a single lens or mirror, or combinations of several optical elements. They are used in microscopes, telescopes, cameras, slide projectors, CD players and many other optical instruments. Objectives are also called object lenses, object glasses, or objective glasses.

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MaterialsOptical glass, quartz and crystal
Diameter0. 2~10mm
RadiusR 1.5mm-∞
Center thickness tolerance±0.01mm
Diameter tolerance±0.005mm
Surface quality20/10
Surface accuracy<1λ
CoatingUpon request 

Objective lens

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