819M-B-0.50-1.0V2 Port Aperture Reducer, 1.0 in. Port, 0.5 in. Aperture, Flat Black, 819C and 819D Spheres

The 819M-B-0.50-1.0V2 (P/N 7Z08363N) Port Reducer is used to reduce the port size of a 819C or 819D Series integrating sphere from 1 inch to 1/2 inch. Flat Black coating inside. Comes with a 1.5 mm Allen wrench and M3 set screws.
