Using the Hasselblad 500 C/M with off Camera Flash and 120 Film Developing - YouTube
Hasselblad Adjustable Flash Shoe for 500c 500cm 500elm. . for sale online | eBay
Hasselblad 500 CM 501 medium format camera hot shoe adapter used clean condition
Amazon.com : Foto&Tech 2 in 1 Hot Shoe Hotshoe Cover with Bubble Spirit Level Compatible with Hasselblad X1D-50c Medium Format Mirrorless Digital Camera : Electronics