The Upper Zoom Module determines the mechanical nature of
your zoom system… Manual, Detented, and DC or Stepper motorized (all
available with or without Iris).
Manual Zoom – Hand-driven zoom presents an economical 12.5:1 optical system.
Detented Zoom – Obtain specific "stops" throughout the zoom
range by selecting the Zoom 12/Module with Detents. Typically used in
measuring systems where each position may be calibrated. Pre-set stops
are located at 0.6X, 1.0X, 2.0X, 3.0X, 4.0X, 5.0X, and 6.0X.
 Motorized Zoom – Provides remote and automatic operation. Available with either DC or Stepper motor drives.
The Stepper motor version has a companion RS232 Controller which may be
purchased as a free-standing unit or as just the PC board for OEM
integration.
Iris-Equipped Zoom Modules – All Zoom 12/Upper Modules are
available with an optional integral iris for bettercontrol of light
level and increased depth-of-field.
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