Technical Notes: Imaging Lenses

→ Telecentric lenses

> Principle of telecentric measurement
> Aperture stop
> Depth of field and range of telezentricity
> Imaging performance
> Bi-telecentric lenses
> Magnification
> Maximum object- and sensor size
> Distortion
> Wavelength range
> Data of mechanics, types of threads and industrial capability

→ Telecentric lenses with coaxial illumination

> General explanations
> Light source type
> Illumination coupling type
> Use of retardation plates for polarized beam splitting
> Standard version
> Decision guide

→ Entocentric lenses

→ Telecentric condensers

> General explanations
> Wavelength area
> Telezentric features
> Recommended working distance
> Eye safety classification in LED high risk groups
> Correctal LTC with integrated dimmer and high power LED
> Correctal TC with high power LED
> Correctal TC with standard LED (R, G, B)
> Correctal TC with standard LED (IR)
> Modifications and customized setups

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