Sigma ART 24mm f1.4 DG for Nikon F  type_Lens Cap Its unique design allows it

Its unique design allows it to remain on the camera in use: it hinges open and closes along with the camera

Fully tested

this is probably the lens

The Spiratone Darkroom Director is a programmable darkroom timer for enlarging and processing

The Konica Auto S2 is a fixed-lens rangefinder camera with a 45mm f1

Sigma ART 24mm f1.4 DG for Nikon F &nbsptype_Lens Cap Its unique design allows itThe Sigma ART 24mm f1. 4 is a fast, sharp wide angle lens with quick autofocus and excellent image quality. This 24mm is in excellent condition, with clean glass and only very minor cosmetic wear. Good autofocus and diaphragm action. Includes lens hood and original box.