The Lambda 10-3 controls up to 3 filter wheels. The user can select between one of seven speeds, allowing the speed to be adjusted in accordance with the load of the wheel. The Lambda 10-3 can operate up to 40msec switching time speed at speed 1 with the traditional 25mm filter wheel as well as our newer, high-speed 32mm version. If additional speed of movement is desired we manufacture a special three position wheel which achieves switching times of less than 33 msec at speed 0.. Except for the 4-position compact wheel, our filter wheels employ a direct drive system consequently there is no belt slippage or backlash.

In addition the Lambda 10-3 controller supports both the traditional Uniblitz shutter as well as our new SmartShutter™ line. Our SmartShutter™ is designed to mount on our filter wheels much like the current shutter is mounted so there should be no mounting constraints. In addition we support control of a standalone SmartShutter™ from the controller, making it possible to control an external SmartShutter™ wherever an additional shutter is required.

The SmartShutter™ sets a new standard for shutter performance and reliability. In the traditional shutter design there are two or more “leaves” that rub against each other. Given time, the blades will wear down, bind, and the shutter will fail to open. The SmartShutter™ is designed with only one moving part, which virtually eliminates the effects of wear and markedly improves performance. Both our 25mm and 35mm SmartShutter™ are capable of opening within 8ms from the time of the trigger and can reliably achieve repeat opening times of 20 cycles per second.

The microprocessor-based controller provides exceptional versatility and is adaptable to various modes of operation and function. The SmartShutter™ can be programmed for a variety of movement profiles or to produce a variable aperture by determining the degree of shutter opening. When used in our Lambda LS xenon light source and coupled with a liquid light guide, the shutter acts as a programmable neutral density filter. While the impulse of our shutter is minimal we have incorporated a “soft” action mode to decrease vibration if necessary.

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