Rodenstock Apo-Sironar-S 210mm f/5.6

Rodenstock Apo-Sironar-S 210mm f/5.6 is the refined high-MTF 4×5 portrait-tele / 5×7 normal flagship — among the most-recommended modern LF lenses.

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: ~300mm at f/22 — covers 5×7 with generous movements; covers 8×10 tightly
• Optical formula: Refined apochromatic plasmat with high-MTF optimization
• Multi-coating standard

Use case + rendering

The 210 Apo-Sironar-S is the modern Rodenstock flagship at 210mm — particularly favored by digital-workflow photographers (drum scanning + Iris print, ImageScan + inkjet). MTF improvement over Apo-Sironar-N is most visible at 30-40+ inch enlargements.

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-N 210mm f/5.6 — standard Apo-Sironar
• Rodenstock Apo-Sironar-W 210mm f/5.6 — wide-IC version
• Schneider Super-Symmar HM 210mm f/5.6 — Schneider HM equivalent
• Fujinon CM-W 210mm f/5.6 — Fujinon equivalent