This is CentriTel®

The opposite of Telecentric There has never been anything like CentriTel!

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The culmination of over twenty years of research and development, CentriTel is Infinity Photo-Optical's trademark for an unprecedented optical achievement:  Internal focus without magnification change—from a fixed working distance.

In CentriTel mode, the progressive focus seems to "peel away" while the image remains centered and exactly where it was.  Now it is possible to choose a specific working distance and focus forward and back—without external movement—without magnification change—without changing the field of view.  In fact, CentriTel optics can be fixed—or "bolted"—onto robotic arms, built onto assembly lines—even built into production machines themselves.  Now, the instrument can come to the object—not the other way around—to easily make measurements that could not even be anticipated before.

DIRECT CentriTel

Two of Infinity's product lines most exemplify CentriTel capabilities:  InfiniProbe™ TS-160 with CentriTel Compressor; and the CentriMax™.  TS-160 is the choice for use from infinity down to 18mm at micro magnifications.  CentriMax attains the highest quality long-distance images with MX-series objectives and can then be equipped to focus infinity-corrected microscope objectives—limited only by the objective's own characteristics—to the limits of optical microscopy.  CentriMax has two front lens options which allow standard and Zeiss ICS compatible corrections.  

SUPPLEMENTAL CentriTel

While InfiniProbe TS-160 with CentrilTel Compressor and the CentriMax are direct CentriTel systems, a CentriTel Focuser can supplement Infinity's  Model K2/SC.  All other characteristics remain, but even this larger-format instrument can be equipped to function in CentriTel mode whereby magnification remains essentially constant during the supplemental focus translation.  

CFM, CFM-2/S, Reverso and InfiniVar are trademarks of Infinity Photo-Optical Company.