Nikon's classic manual-focus 135mm — Ai-S coupling with good optics for telephoto work.
The Nikon Nikkor 135mm f/2.8 Ai-S is a manual-focus telephoto prime from Nikon's Ai-S generation. The 135mm provides useful telephoto compression for portraits and distant subjects with the f/2.8 aperture offering decent speed.
Optically good — sharp from f/4 with pleasant rendering. The 135mm provides classic telephoto compression. Ai-S coupling provides full metering compatibility on Nikon film and manual-mode digital bodies. Smooth manual focus helicoid.
Nikon F mount with 52mm filter thread. Approximately 440g — moderate for 135mm. Ai-S coupling. Full-frame coverage. Metal construction. Minimum focus distance approximately 130cm.
Available used very cheaply. The AF 135mm f/2D and AF DC-Nikkor 135mm f/2D are better options with autofocus. The Ai-S 135mm f/2.8 works on Z via FTZ adapter with focus peaking. For vintage lens enthusiasts and budget manual 135mm needs.