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5x1 LED illuminator for the "Tollestrup Telescope". This unit was to have put a column of 5 LED spots on the detector for a particular camera positioning. It didn't actually work that way in practice. |
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Baffles and anti-reflection rifle tubes for F/17 camera and other units. |
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Camera Block |
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Collimator stack, after anodizing |
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filter wheel position encoder magnet stack |
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LiF crystal test piece after cold testing. Note scratch ring on underside from G10 support system. |
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Slit belt cog wheel |
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Slit belt unit, partially assembled |
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Test crystal after cold testing, Note scratch mark all around back face. We believe the compressor's vibrations must have stimulated the crystal to precess and so become scratched. |
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Test crystal pieces after cold tests. |
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Another view |
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Zoom of ZnSe test piece with Silicon diode thermal sensor |