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For the beam time Aug 10-15 2021, both screens were DRZ standard.
Aug: The screen is imaged via a mirror by a Mako G125-B with a small X mm lens (check with Erik) that sits outside of the EDC at a window port.
The screens have markings every X inches
April 2022: Distance measurements http://physics-elog.slac.stanford.edu/facetelog/show.jsp?dir=/2022/14/06.04&pos=2022-04-06T10:41:49
Since Oct/Nov 2021: The camera has been replaced by a Manta G895-B and a Navitar lens with 50 mm focal length and f 0.95, which optimises the field of view and collection efficiency.
Aug 2021: The screen is imaged via a mirror by a Mako G125-B with a small X mm lens (check with Erik) that sits outside of the EDC at a window port.
Figure 1: Photos of installation during August downtime, looking from wall side (left) and showing the field of view in August on the Mako camera (right).
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