Rodenstock APO-Sironar N 150mm f/5.6

Rodenstock Apo-Sironar-N 150mm f/5.6 is the modern Rodenstock 4×5 normal flagship — successor to Sironar / Sironar-S at the iconic 150mm focal length. Among the most-recommended Rodenstock LF lenses for new 4×5 buyers.

Key features

• Mount: Copal 0 shutter (1s to 1/500, X-sync at all speeds)
• Focal length: 150mm
• Maximum aperture: f/5.6
• Image circle: ~220mm at f/22 — covers 4×5 with generous movements
• Optical formula: Apochromatic plasmat
• Multi-coating standard

Use case + rendering

The 150 Apo-Sironar-N is the modern Rodenstock 4×5 universal normal — the lens that most current Rodenstock-system 4×5 photographers buy first. Direct competitor to Schneider Apo-Symmar 150 and Fujinon CM-W 150; rendering character slightly warmer than Schneider, slightly cooler than Fujinon.

Compatible cameras

• Toyo 45A / Toyo 45AII / Toyo 45G
• Cambo SC / Cambo Calumet 45NX
• Graflex Crown Graphic / Graflex Speed Graphic / Graflex Super Graphic

Related lenses

• Rodenstock Apo-Sironar-S 150mm f/5.6 — refined high-MTF version
• Rodenstock Apo-Sironar-W 150mm f/5.6 — wide-IC version
• Schneider Apo-Symmar 150mm f/5.6 — Schneider equivalent
• Fujinon CM-W 150mm f/5.6 — Fujinon equivalent