12X Zoom, 12 mm Fine Focus, Aperture, Detent
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By: Navitar
Industrial & Machine Vision Optics
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The NAVITAR 1-50486AD 12X Zoom, 12 mm body tube contains the core zoom mechanism and determines the mechanical nature of your zoom system. Fine Focus is used For applications without separate moving support systems, the Fine Focus body tubes offer focus over a 3 mm (coaxial models only) or a 12 mm (non-coaxial models) Fine Focus axial distance at the object. Available in manual and motorized versions.
The aperture function allows the user to adjust the amount of light that flows through the system without adjusting light source intensity. The aperture also can improve depth of field when it is adjusted properly.
Detents Obtain specific "stops" throughout the zoom range by selecting a body tube with Detents. Typically used in systems where each position requires calibration, detents allow for pre-set stops at 0.58X, 2X, 2.5X, 3X, 3.5X, 4X, 4.5X, 5X, 5.5X, 6X, and 6.5X on the zoom scale.
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