Shutter / filter clearance test

At SLAC National Accelerator Laboratory, the LSST Camera team conducted a successful test in mid-October 2020, verifying the clearance between the filters and the shutter as the filter moves from its storage position to its online position. The amount of clearance is extremely small to meet the optical design distance between the filter and the L3 lens. The completion of this test is significant for the Rubin Project because it retires some key interface risks for the Camera.