Nikon Series E 28mm f2.8 projector 3/8” threads on top and

3/8” threads on top and bottom for leg and head connection

A convenient zoom range in a lightweight package

This extension tube set includes two M42 thread-mount extension tubes: roughly 7mm and 15mm

with shoulder strap

but is definitely worthy of note

Nikon Series E 28mm f2.8 projector 3/8” threads on top andThe Nikon Series E 28mm f2. 8 is a very compact wide angle lens for Nikon F mount. Series E lenses are Nikon's "cheaper" manual focus lenses, usually with older designs this one's based on the pre AI 28mm and more lightweight construction. Not a bad little lens, though! Light dust, smooth focusing, excellent cosmetic condition.