Components: Large hose clamp to fit lens, small flash, lens paper to adjust flash intensity, small hinge, plastic or epoxy putty to attach parts ( I used dental tray acrylic ), paper clip, plastic from soft bottle to protect lens barrel from clamp, clear and friction tape, flat black paint
Front view of unit on Vivitar 90 mm Macro
Used two sheets for 100 ASA print film at f 8.