A Red Dot Nikon F Photomic T SLR Camera, Serial number: 6596869  Shutter: working Body: VG, minor brassing to  head Lens: Nikkor-H Auto 50mm f/2 lens, no. 618570 Barrel: G Optics: G, minor fungus to the front element Notes: red dot indicates a Nikon F body modified to accept Photomic T and later finders. Red dots can be found between serial numbers 657xxxx to 66xxxxx