Nikon Speedlight SB-16 with AS-8 head Hasselblad Proxar (2m) close-up diopter

Hasselblad Proxar (2m) close-up diopter in B50 size

The Asahi Attachment Lens is a close-up diopter for lenses with a 67mm filter thread

The Quick-Set Hercules is a quick-release mounting system for a big camera

but that is a bit optimistic

You can also use this as a perfectly fine 35mm f2

Nikon Speedlight SB-16 with AS-8 head Hasselblad Proxar (2m) close-up diopterThe Nikon SB 16 is a full size flash for Nikon film cameras. It provides automatic function on select cameras (check your camera's instructions) and manual control for the rest a versatile, powerful flash in good shape. This SB 16 includes the AS 8 over the rewind shoe for the Nikon F3 only; it is not compatible with standard hot shoes. Includes softcase. Thing I have to say: the camera pictured in the product image is not included.