Nikon DR-5 lens mount_Mamiya RB You need to add a

You need to add a tripod or copystand and a suitable lens

No real reason you couldn't put a smaller camera on there either- the fitting is the standard 1/4" found on pretty much every camera- but the top platform is fairly large and may get in the way of thicker lenses if you mount a camera directly to it

This lens can be used on any film or digital Nikon SLR

If you don't recognize the name

Replaced both old Cds cells with new ones

Nikon DR-5 lens mount_Mamiya RB You need to add aThe Nikon DR 5 is a right angle viewfinder for cameras with a 19mm or 22mm threaded viewfinder eyepiece. The DR 5 rotates 360 degrees and has switchable 1x 2x magnification for more precise focusing. Includes 19 22mm eyepiece adapter and case. In excellent condition.