CS65 65mm Optical Shutter

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Overview

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The Uniblitz CS65 has been designed to provide accurate, repeatable exposures for a wide variety of applications such as telescopy and aerospace. The slim form-factor provides a large 65mm aperture that can be inserted into a 5.00 inch diameter housing. The CS65 is available in a housed or an un-housed configuration for OEM applications (or simply where spatial limitations are a consideration).

Uni-stable shutter devices, like the CS65, require power to hold the blades in the open state.

A normally open configuration of this device is available by special order. Please contact us for more information.

Specifications

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For additional technical information please see the CS65 Optical Shutter Datasheet.

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Coil Resistance	Pulse Voltage to Open	Hold Voltage1(Nominal)
12 OHMS	+70 VDC	+7 VDC / +5 VDC2

 

Weight Unhoused	Weight Housed	Operating Temp.	Max. Opening Bounce	Max. Closing Bounce	Max. Freq. of Operation3	Number of Shutter Blades
4.00 oz (0.11 kg)	13.20 oz (0.37 kg)	0 – 80 °C	15%	5%	2.0 Hz / 5.0 Hz	6

 

1 Voltage level required across actuator coil when being held in the open position.
2 Dual hold voltage system included in VCM-D1 Driver
3 (Continuous/Burst) Continuous frequency rating specified at shutter’s minimum exposure pulse. Burst frequency rating specified for four (4) seconds maximum with one (1) minute minimum between bursts.

 

Electronic Synchronization System

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The electronic synchronization system provides a feedback signal (through the driver utilized) after the shutter transfers to the open state. The system incorporates an infrared emitting diode, an infrared sensitive detecting transistor, and an interrupting vane. The vane is attached to the shutter so as to block the light path between the emitter and detector in the closed position. When the shutter transfers to the 80% open position, the vane is removed from the infrared light path, allowing the emitter to switch the detector to the active state. For the CS65, this system uses a similar activation flag attached to the mechanism, which triggers a reflective emitter/detector device. No connection to the designated synchronization pins when no electronic sync. is selected.

Shutter Timing

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The question regarding enhancement of shutter speed with the application of user supplied lubricants has been repeatedly asked. It is our experience that lubricating the shutter blades will actually slow the shutter down and eventually render the shutter inoperable. Under no circumstances should any type of lubricant be applied to the shutter blade area.

 

CS65 (w/ VCM-D1 and Teflon® coated blades)		Time (msec.)
0-A:	Delay time on opening after current is applied	9.0
A-C:	Transfer time on opening	45.0
0-C:	Total opening time	54.0
C-E:	Min. dwell time with min. input pulse	22.0
B-F:	Min. equivalent exp. time	70.0
E-G:	Transfer time on closing	52.0
A-G:	Total window time	119.0
MET:	Min. exposure time	60.0
TEP:	Typical exposure pulse	>65.0

 

Technical Drawings

Housed

Un-housed

Connector Layout