Rodenstock APO-Sironar N 210mm f/5.6

Rodenstock Apo-Sironar-N 210mm f/5.6 is the modern 4×5 portrait-tele / 5×7 normal apochromatic plasmat — among the most-versatile Rodenstock LF lenses, popular for 4×5 portrait, 5×7 standard, and tight 8×10 work.

Key features

• Mount: Copal 1 shutter (1s to 1/400, X-sync at all speeds)
• Focal length: 210mm
• Maximum aperture: f/5.6
• Image circle: ~295mm at f/22 — covers 5×7 with generous movements; covers 8×10 tightly
• Optical formula: Apochromatic plasmat
• Multi-coating standard

Use case + rendering

The 210 Apo-Sironar-N is the modern Rodenstock flagship at the most-bought LF focal length. Direct competitor to Schneider Apo-Symmar 210 / Fujinon CM-W 210.

Compatible cameras

• Toyo 45A / Toyo 45AII / Toyo 45G
• Cambo SC / Cambo Calumet 45NX
• Graflex Speed Graphic / Graflex Super Graphic
• 5×7 + 8×10 view cameras

Related lenses

• Rodenstock Apo-Sironar-S 210mm f/5.6 — refined high-MTF version
• Rodenstock Apo-Sironar-W 210mm f/5.6 — wide-IC version
• Schneider Apo-Symmar 210mm f/5.6 — Schneider equivalent
• Fujinon CM-W 210mm f/5.6 — Fujinon equivalent