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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 telecentric lens has been carefully designed for line scan cameras having an image circle up to 28.7 mm.
Dimensional constraints are often a major issue when designing image scanning systems, especially those having multiple cameras. This lens's unique "flat" profile shrinks the inspection envelope. It enables the cameras and lights to be mounted in a smaller space. And, if space is still a problem, these lenses can be combined with our first-surface mirror assembly to fold the optical path.
This telecentric lens includes both phase and focus adjustments. The phase adjustment allows the lens to be aligned precisely with the camera sensor, after the camera body has been mounted and the lens has been seated.
Ask us about our compatible illuminators with matching flat design.
This lens has a standard F mount for compatibility with many linescan cameras. The same lens with an M42 mount is readily available; additional mounts are available on request.
|Filter Thread:||None (slip-on filters avaiable)|
|Distortion:||< 0.10 %|
|Depth of Field:||65.60 mm|
|Telecentricity:||< 0.10 degrees|
|Working Distance:||254.0 mm|
|Image Circle:||28.70 mm (1.75")|
The working distance (measured between the front of the lens and your object) should be kept within +/- 3% of the nominal value shown above for maximum resolution and minimum distortion. The f-number shown above 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.
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.