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This C-Mount 8mm f/1.8 Fixed-Focal Lens from Tamron is designed for machine-vision cameras that have 2/3"-type sensors. The focus and iris lock screws eliminate focus and exposure drift in high-vibration areas. Focus can be adjusted from infinity down to approximately four inches, and the aperture range opens up to f/1.8 and closes down to f/22. The optics in this lens will resolve up to 6MP, sufficient for applications in PCB production, inspection machines, and engineering devices.
Designed to match pixel pitch 2.5 µm sensors, the lens realizes high resolution from the center to the periphery (image height 90%)
Minimum object distance (MOD) of 3.93"
Six iris blades maintain the same performance as eight blades through a unique iris blade design
Optimized focus lock screws
Metal mount and components for high durability
Vibration and shock-resistant design maintains the optical performance
Innovative mechanics enable the focus rotation to be larger and reduces troublesome focus adjustment