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Features
 | Typical Applications
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Product Description |
C-Focus systems provide an automatic means to eliminate microscope focus drift over long time periods. Unlike autofocus systems which require use of advanced microscopes with internal focus correction or external devices which track video signals or reflected laser beams, the C-Focus simply corrects for microscope focus drift by using a high resolution (5nm) sensor system to measure the lens/sample spacing and make the necessary adjustments. The C-Focus system has no effect on standard manual focusing and can be retrofit to any microscope. After focus is established, simply pushing the “focus lock” button starts the C-Focus operation. Objective lens motions are accomplished with a lens nanopositioner (the Nano-F100S) which is easily connected to the objective lens and microscope with standard threaded adapters. In addition to the unique C-Focus operation, lens nanopositioner motion can also be directly commanded by digital (16-bit USB) or analog signals and can be used for high speed, high resolution confocal imaging and other imaging tasks with demanding focus requirements. The C-Focus lens positioning system contains the same proprietary, low noise PicoQposition sensors used in the Nano-F100S and is capable of sub-nanometer positioning resolution. The 16-bit USB digital computer interface is included with all C-Focus controllers. |
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Focus Drift vs. Constant Focus |
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Technical Specifications | |
| Range of motion (Nano-F100) | 100 μm |
| Resolution | 0.2 nm |
| Resonant Frequency | 500 Hz ±20% |
| Stiffness | 1.0 N/μm |
| Recommended max. load* | 0.5 kg |
| Body Material | Al and Brass |
| Controller | C-Focus |
| * Larger load requirements 首ld be discussed with our engineering staff. | |
Additional Information | |
Nano-F100 Drawing | C-Focus System |
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