For those who want to upgrade their MAC 600s to the new snap lock hood without purchasing a new lens, P/N 91611002 is now available. This is a lens hood with snap locks and safety wire but no lens.
Remember that the snap lock hoods cannot be used with the earlier ventilation ring – the ring must be upgraded on MAC 600s before serial no. 00-XXXXXX-980117000. (See Technical News no. 63, from January 30, 1998.) The upgrade kit may be ordered as P/N 91614003.
MAC 600s with snap lock hoods fit very snuggly in earlier flight cases. We have modified the case slightly, by moving the wooden support slats out, to make it easier to handle the fixture.