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ISS-G3 Control Unit
ISS-G3 Control Unit

Horseman ISS-G3 Control Unit

MFR Part #: 23203
Samy's Part #: HORS23203
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Horseman ISS-G3 Control Unit, Intelligent Shutter System for Medium to Large Film & Digital Formats. The current, second generation of the Horseman ISS (Intelligent Shutter System) has enjoyed tremendous success among professional photographers working with medium to large film (and, more recently, digital) formats.

Its extremely high timing precision, vibration free, fully electronic operation, fine aperture settings down to 1/6 of an f-stop, automatic lens type recognition, large, clearly readable display, and many other convenience features have all been preserved or improved upon in the new Generation 3. But progress in digital electronics technology has been extremely fast, giving Horseman engineers the chance to create an all-new system to free the photographer even more from the technical and mechanical aspects of his work. The ISS G3 control unit, when compared with the current model, is now:

  • Lighter by almost one half, weighing only 430 grams;
  • Smaller in volume by about one half;
  • Ready for the next shot immediately. There is no more waiting time while a capacitor is being recharged, simply because there is no such capacitor. The shutter can now be released up to ten times a second.
  • Equipped with a second serial port which is used for activating a Phase One digital camera back; the other serial port is for controlling shutter and aperture from a computer keyboard;
  • Powered by 24V DC (which is internally converted to 48V);
  • Equipped with a newly developed CPU (central processor unit) and all-new control software.

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