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NOTCam Entrance Wheel Slits & Masks
The aperture wheel can carry up to 4×50-mm (3 plus one OPEN) and
8×18-mm slits or masks at the telescope focus. The diameter of
the cylindrical holes in the wheel are 56mm and 24mm respectively.
Currently we have the following:
- One 22µm slit mounted in a large aperture.
- One 44µm slit in a small mask.
- One 64µm slit mounted in a large aperture.
- One 128µm slit mounted in a large aperture.
- One 50µm pinhole mounted in a small aperture.
- One 136µm pinhole in a small mask.
- One 1mm pinhole mounted in a small aperture.
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