Nikon FG-20 with Nikon Series E 50mm f1.8 brand_Kodak and the spring clip fastens

and the spring clip fastens to a steel ring at the shoulder of the tripod (check your tripod to make sure you've got the required mounting point)

sealed in its original box

The Safe-Lock Zoom-Leg Tripod Model TW is an old-school

this is an autofocus lens all the time

The Sony A7III is a modern mirrorless camera with a full-frame 24mp sensor

Nikon FG-20 with Nikon Series E 50mm f1.8 brand_Kodak and the spring clip fastensThe Nikon FG 20 is a compact manual focus 35mm SLR with full manual or aperture priority autoexposure, shutter speeds from 1s to 1 1000s, and compatibility with F mount lenses from AI to AF D (in manual focus mode). In excellent condition, with accurate speeds & metering and new light seals. Includes a Nikon Series E 50mm f1. 8 lens.