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MTS lens is a kind of precision lens with high quality that is specially used in the interferometer measurement for the surface shape of the optical part and the wave front of the optical system.  The reference lens is made with fused silica.  The precision of the reference lens can reach λ/20 or even higher.
  • Size: 100 mm
  • F-Number: 0.75 [unitless]
  • Radius Of Reference Surface: 48.34 mm
  • Max Test Diameter (Convex): 66 mm
  • Transmitted Wavefront (PV): <1.5 Lambda
  • ...
Data Sheet