Shutter cocking and release are done with two separate levers. Focus viewing is accomplished with the press-style focus lever.
The rim is metal, and the front is black with ``GRAPHEX'' in bold white block letering.
Some Graflex Optar lenses were made in No. 1 Graphex Shutters.
Show below is a 101mm f4.7 Optar, mounted in a miniature Pacemaker Graphic board, from the Graflex brochure ``Pacemaker Graphics -- Speed & Crown'' (undated):
Show below is a 101mm f4.7 Optar, mounted in a miniature Pacemaker Graphic board, from the Graflex brochure ``Pacemaker Graphics -- Speed & Crown'' (undated):