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Industrial lenses selected according to field of view, working distance, resolution, distortion, depth of field, and measurement requirements — the lens decides what the camera can actually see before a single pixel is processed.
A high-resolution sensor behind the wrong lens still produces a soft, distorted, or incorrectly framed image. The lens sets the field of view, how much working distance you have to the part, how sharp the image stays across that field, and how faithfully a measurement in pixels converts back to a real-world dimension.
We select lenses the same way we select cameras — starting from the part, the required accuracy, and the space available on the machine — rather than defaulting to whatever ships with the camera.
Optical quality and consistency from unit to unit matter as much as the camera behind the lens.
We supply Computar’s range of fixed focal length, macro and telecentric lenses across C-mount and CS-mount formats, matched to your sensor size and inspection requirement.
Every lens we specify is checked against these criteria before it’s paired with a camera and mounted on your line.
How much of the part or web needs to be visible in a single frame, at the required detail.
The physical space between the lens and the part, set by the machine’s layout and access.
Lens resolving power matched to the sensor’s pixel size, so the sensor isn’t the limiting factor.
How straight lines and true dimensions stay near the edges of the frame, not just the center.
How much the part’s height or position can vary while the image stays acceptably sharp.
Whether the application needs true dimensional accuracy, which points toward a telecentric lens.
Standard machine vision lenses for general inspection, sized by focal length and format.
Close-focusing optics for small parts and fine detail at short working distances.
Constant magnification across the field, near-zero perspective error, for precision measurement.
Remote focus, zoom, and iris control for lines running multiple part variants.
Coverage for large sensors used in high-resolution area scan and line scan cameras.
C-Mount, CS-Mount, and F-Mount, matched to your camera body and flange distance.
The single most common lens decision on a measurement application.
Precision dimensional measurement
Present — magnification shifts with distance
Minimal — magnification stays constant
Flexible, wide range of options
Fixed to the lens, narrower coverage
Lower cost, more compact
Higher cost, larger and heavier
Share your field of view, working distance, and accuracy requirement. Our application engineers will match the right lens type, mount, and format to your camera.