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The 12X Zoom system body tube contains the core zoom mechanism and determines the mechanical nature of your zoom system. Body Tubes may be zoom or non-zoom configurations. Options include:

• Manual Zoom Modules: Designed to offer flexibility in a variety of imaging applications when an automated system is not necessary. Manual adjustment of the zoom and focus allow the user to change the field of view and regain focus when the sample they are imaging changes size.

• Apertures: 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.

• Fine Focus: 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.

• Motorized Drive: Automated, motorized control of the zoom and fine focus can be requested. Accurate and repeatable positions can be achieved. Several configurations exist to allow you to flexible options.

• Coaxial Illumination: Coaxial / on axis illumination is most effective when imaging flat specular surfaces. By integrating the coaxial illumination port, a collimated, diffused and uniform illumination source is integrated into a zoom lens.