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Telecentric lenses are the key component of accurate machine vision measurement systems. Unlike conventional lenses, optical magnification remains constant within the field of view and depth of field. This is especially important on the manufacturing floor, where part fixtures and camera triggers are seldom 100% repeatable.
This telecentric lens has been carefully re-designed to outperform the previous generation. It features unmatched resolution, low distortion, easy phase adjustment, and homogeneous image quality while offering the best performance to price ratio.
This lens is compatible with cameras having up to a 1.2" (21.5 mm diagonal) sensor. The lens is telecentric on both ends, hence the term “bi-telecentric”. With lenses only telecentric in object space, a small dot of light grows larger and becomes elliptical as it moves from the image sensor’s center towards its edge. This bi-telecentric lens keeps the principal rays parallel not only when entering but also when exiting the lens. The result is greater image precision.
The working distance (measured between the front of the lens and your object) should be kept within +/- 3% of the nominal value shown below for maximum resolution and minimum distortion. The f-number shown below is the “working” or “real” f-number of the lens when used as a macro.
Please contact us if you need a lens having a smaller aperture.
|Filter Thread:||None (slip-on filters avaiable)|
|Distortion:||< 0.10 %|
|Depth of Field:||0.20 mm|
|Telecentricity:||< 0.10 degrees|
|Working Distance:||60.1 mm|
|Image Circle:||22.00 mm (4/3")|
For the sharpest image, keep the object within half the specified depth of field. The length is measured from the lens's front to its flange.
Learn about lenses in our Lens Tech Center.
Opto Engineering USA offers a one year warranty from the day the part leaves the factory. For further information, please refer to the manufacturer's website.
If you're not confident this lens will meet your needs, please ask us to confirm your selection prior to purchase. Some lens models may be available for a 20 day evaluation. Lenses in new condition may be returned for credit within 20 days of delivery. A restocking charge will apply if packaging materials are damaged or marked.
All returns must be pre-authorized by Machine Vision Store and shipped with freight pre-paid. Please contact us to request authorization and instructions. The item's serial number and associated sales order number will be needed.