The 50 MM focal length is especially useful when an optical system requires a narrower angular field of view or greater camera-to-object distance than shorter line scan lenses. Changing focal length directly influences the relationship between sensor length, object width and working distance, so this option gives machine vision designers additional flexibility when packaging the imaging system into a defined mechanical envelope.
Its F2.0 maximum aperture provides greater light-gathering capability than the 25 MM and 35 MM lenses in this series. This can be beneficial in high-speed line acquisition, where shorter exposure periods can place greater demands on available illumination.
Compatibility with 8K sensors using a 3.5 μm pixel pitch also means optical resolving performance is an important design consideration. The lens is engineered to support the fine spatial sampling associated with modern high-density line scan cameras while maintaining the stable field performance required for continuous image reconstruction.
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