Nikon 105mm f1.8 AI-S Nikkor lens mount_Mamiya RB The Minolta Maxxum 400si is

The Minolta Maxxum 400si is a compact autofocus 35mm SLR camera with full manual or automatic exposure control: the control scheme definitely wants you to use this as a full auto camera

doesn't say what it is

The F2 is Nikon's last (and arguably best) all-mechanical pro SLR

Nikon BR2A reversing ring with 52mm thread/Nikon F mount

Notable features include a manual focus clutch

Nikon 105mm f1.8 AI-S Nikkor lens mount_Mamiya RB The Minolta Maxxum 400si isThe Nikon 105mm f1. 8 is a fast short telephoto lens with great character and lovely bokeh a must if you like longer portrait lenses, or if you just like taking pictures of slightly distant things in the dark. Some internal dust, smooth focusing, clean diaphragm. A real classic.