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  • Telecentric camera objective / machine vision

Article: 00015613

Telecentric camera objective / machine vision

YAG Laser Focusing Lenses

* Air-spaced design
* Standard focal lengths from 20 to 150mm
* High damage, narrowband, high performance Anti-Reflection coatings
* Barrel mounted for ease of use
* Optional protective windows available
* Matched focal lengths for YAG and HeNe wavelengths

These YAG lenses range in focal length from 20 to 150mm. They consist of either two or three air-spaced glass elements mounted in a metal cell. The lenses all have a 30mm clear aperture but they are recommended for use with beams not exceeding one inch in diameter. Two different designs are used - the 20, 30, 40, and 50mm focal length lenses have three elements, but the 60, 80, 100, and 150mm lenses use simpler two element designs. These lenses are Anti-Reflection coated with a high damage Narrowband Multilayer Anti-Reflection coating optimized to give less than 0.5% reflectance per surface at 1064nm.

These lenses are chromatically corrected so that a HeNe guide beam or a visible range video monitor beam will be in focus at the same position as the YAG beam.

Specifications

  • Optical characteristics: telecentric
  • Technical applications: machine vision

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