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Detent arm and location sensor |
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Detent reed switch sensors |
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Filter wheel position encoders and magnet stacks |
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Filte wheel 4-bit reed switch position encoders |
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Circuit board, mounting block, reed switch, magnets for the filter wheel encoder system |
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Pupil mask holder with mask and mask cover |
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Assembled pupil mask unit |
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Close-up of pupil mask in unit |
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Inserting pupil mask unit into second bulkhead within filter bay |
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Pupil masks (version 1), after photoetching CuBe sheet and spray painting |
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View through filter box along optical axis to pupil mask |