Nikon Nikkor AM 120mm f/5.6

Nikon Nikkor-AM 120mm f/5.6 is the apochromatic macro LF lens at 120mm — Nikon's professional macro design optimized for 1:1 to 1:3 reproduction with peak MTF at close-focus distances.

Key features

• Mount: Copal 0 shutter (1s to 1/500, X-sync at all speeds)
• Focal length: 120mm
• Maximum aperture: f/5.6
• Image circle: ~190mm at infinity; ~100mm at 1:1 reproduction
• Optical formula: Apochromatic macro plasmat with floating element
• Multi-coating standard
• Optimized for close-focus — peak performance at 1:1 to 1:3

Use case + rendering

The 120 AM is the professional product / commercial macro 4×5 lens — optimized for the close-focus distances where most LF macro work happens. Direct competitor to Schneider Macro-Symmar HM 120 / Rodenstock Apo-Macro-Sironar.

Compatible cameras

• Toyo 45A / Toyo 45AII / Toyo 45G — bellows extension essential
• Cambo SC / Cambo Calumet 45NX — extension rails strongly recommended

Related lenses

• Nikon Nikkor-AM 210mm f/5.6 — longer AM sibling
• Schneider Macro-Symmar HM 120mm f/5.6 — Schneider equivalent