The 5–50mm Varifocal Lens is a high‑resolution manual optical system designed for demanding imaging tasks that require both flexibility and precision. Built on the industry‑standard CS‑mount platform, this 3.0MP lens pairs seamlessly with a wide range of compatible cameras, including many inspection and machine‑vision systems.

Key Features

CS-Mount Compatibility
The CS‑mount flange distance ensures wide compatibility with CS‑mount cameras, while also being easily adaptable to C‑mount systems using a simple adapter ring.
5–50mm Varifocal Zoom
A smooth, hand‑adjustable zoom mechanism delivers a continuous field‑of‑view change – from a broad 51° horizontal angle at wide setting to a telephoto 6° at full zoom. This flexibility supports everything from an overview of a large PCB to extreme close‑up inspection of individual IC pins.
Manual Iris Control
The user‑adjustable iris allows the operator to fine‑tune the aperture opening between f/1.4 and fully closed. Closing the iris increases depth of field and reduces light throughput; opening it maximises light gathering and creates shallow depth‑of‑field effects. Manual control is often preferred in microscopy and metrology where automated iris changes would disrupt repeatable measurements.
3‑Megapixel Resolution
The lens is optically specified to support sensors up to 3MP, delivering sharp, high‑contrast images that reveal fine surface details, solder‑joint quality, and component markings.
Long Working Distance
With a minimum focus distance of approximately 1 metre, the lens is optimised for bench‑top inspection, test fixtures, and automated optical inspection (AOI) systems where the camera is positioned well away from the subject.

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