Opto offers the TC UV Series Telecentric Lenses
An
Opto Engineering product story
Edited by the Engineeringtalk editorial team
Oct 31, 2008
The TC UV Series Telecentric Lenses give high image resolution and can operate with pixels as small as two microns.
Common lenses and traditional lenses operate in the visible light range.
The limiting resolution of a lens is given by the cut-off frequency, the spatial frequency (usually expressed in line pairs/mm) at which the lens is no longer able to yield image contrast information.
As the cut-off frequency is inversely proportional to the light wavelength, common telecentric optics are useless with the very small pixel sizes (down to 1.75 micron) that are becoming popular among industrial cameras.
TC UV Series Telecentric Lenses can work with UV illuminators operating in the 356-420 nm range.
Opto Engineering supplies UV ring, coaxial and back light illuminators operating in this range.
LTCLUV LED Collimated Illuminators are suitable for measurement applications, providing image resolution and field depth enhancement.
These telecentric illuminators ensure an efficient coupling between an UV LED source and the UV Telecentric Lens by using the most appropriate geometry to back-light the object.
This allows the integration of any CCD or C-MOS; UV enhanced detectors are not needed.
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