Nikon 50mm f1.4G AF-S Nikkor brand_Balda The 40mm focal length is

The 40mm focal length is a nice slightly-wider field of view that is well suited to rangefinder shooting

there is an aperture

most notably an engraved ID number on the base

5 is a large wide angle lens for 4x5 cameras

the removable internal film winding spool has a small piece chiped off

Nikon 50mm f1.4G AF-S Nikkor brand_Balda The 40mm focal length isThe Nikon 50mm f1. 4G AF S Nikkor is a modern standard lens with a fast f1. 4 aperture, quick focusing, and excellent image quality. This one's in excellent condition, with light wrinkling in the front trim sticker (which does not affect function.) Clean glass and good function.