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25mm SmartShutter w/Housing to Fit Lambda DG-4/DG-5

The SmartShutter is designed to complement our growing line of optical products and 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. Our shutter blade also has the ability to perform well under very high temperature conditions, extending the life of the shutter.

The SmartShutter incorporates a new high-performance motor drive and precision stepper-motor to provide added control and durability. Traditional shutters use a solenoid actuator requiring a high initial opening voltage for rapid opening of the shutter. This can overheat or burn out the coil of the shutter if the shutter is opened too frequently. With this microprocessor controlled motor/ wiper design, we can control the trajectory of each move and optimize the motion of the blade for speed or for smoothness. The SmartShutter, in either the 25mm or 35mm version, operates with open/close times of 8msec from the command (3msec from the start of motion). Since our robust design does not rely on overdriving the windings, we can achieve continuous operation at frequencies up to 35 Hz for the 25mm version, and 20 Hz for the 35mm model. Because the shutter blade is stopped by the action of the motor rather than mechanical stops, SmartShutter units tested for over 10 million cycles show no sign of failure.

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 the Lambda LS xenon light source and coupled with a liquid light guide, the shutter acts as a programmable neutral density filter. In addition, while the impulse of the shutter is minimal, a "soft" action mode can be selected to decrease vibration.

The LB10-B/IQ controller for the SmartShutter is capable of driving up to two shutters. To support this function a TTL input is supplied for remote triggering of the shutter, as well as a TTL output to support remote triggering of external devices such as a camera. The controller can also be operated locally (manually) from the controller keypad or remotely from a computer through either the USB or serial port.

A dedicated single shutter controller, the LB-SC is also available. This unit is offered with a USB port, TTL in and TTL out.

Originally designed to be integrated into our 25mm and 32mm filter wheels, housings are also available for stand-alone units and for use with our Lambda LS and Lambda DG-4/ DG-5 optical products. The modularity of the SmartShutter assures that repairs, should they be necessary, are simple and economical.


Robust design

*Life tested to 10 million cycles

*Modular repairable design

*Opening time 8msec from trigger (for 25mm version)

*Continuous operation frequencies as high as 40Hz

*Stand-alone or use with Sutter filter wheel

*Mountable in Lambda LS and Lambda DG-4/DG-5

*Microprocessor based controller

*"Soft" action mode provides minimum vibration

*Selection partial opening function for neutral density

*Serial, USB and TTL interfaces

*Manual input via keypad

*Universal power supply

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