Nikon Series E 28mm AI-S (duplicate ID 2340), surprisingly sharp budget wide-angle at just 120g.
The Nikon Nikkor 28mm f/2.8 Series E Ai-S is a budget manual-focus wide prime from Nikon's economy E series — smaller and simpler than standard Nikkor primes. Nikon F mount.
28mm focal length. f/2.8 maximum aperture. Series E (economy class). Ai-S coupling. Manual focus. 52mm filter thread. Nikon F mount.
The Series E 28mm f/2.8 was designed to be compact and affordable — the E-series lenses used simpler constructions than full Nikkor lenses. Optically adequate for the price. Ai-S coupling provides metering on compatible bodies. Popular for adapted use on modern mirrorless via Nikon F adapters.
On the used market the Nikkor 28mm f/2.8 Series E is an affordable vintage wide prime. Condition checks: aperture blades, element condition, focus ring. Nikon F mount.