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Knight Optical
1130 Ten Rod Rd.
Suite D102
North Kingstown, RI 02852
United States

Full Company Details
Phone: +1 401-583-7846
Fax: +1 401-583-7851
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Knight Optical

Concave
  • Type: Lenses
  • Diameter / Dimension: 3mm - 200mm
  • Lens Category: Other
  • Applications: Astronomy, Biomedical/Medical, Communications, Industrial, Military, Scientific Research, Other
  • Focal Length: 3mm to 1000mm+
  • Centration: < 3 arcseconds
  • Surface Figure: < 0.1 fringes
  • Scratch/Dig: < 10/5

This range of lenses is of the plano-concave variety. Lenses consist of one inward curved face and one flat face. The main attribute of a plano-concave lens is to bend the parallel input rays so that they diverge away from one another on the output side. This type of lens is widely used within image reduction or to spread light. Plano-concave lenses are typically used for beam expanders.
Concave
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