Rodenstock Grandagon N 155mm f/6.8

Rodenstock Grandagon-N 155mm f/6.8 is the 5×7 + 8×10 architectural wide Rodenstock LF lens — equivalent to roughly 45mm on 35mm when used on 5×7. Among the wider 8×10-coverage Rodenstock lenses.

Key features

• Mount: Copal 3 shutter (1s to 1/125, X-sync at all speeds)
• Focal length: 155mm
• Maximum aperture: f/6.8
• Image circle: ~370mm at f/22 — covers 8×10 with movements; covers 11×14 tightly
• Optical formula: Symmetrical wide-angle plasmat
• Multi-coating standard

Use case + rendering

The 155 Grandagon-N is the 5×7 + 8×10 architectural wide — more inclusive on 8×10 than the 200mm sibling. The 370mm IC supports substantial architectural movements on 8×10.

Compatible cameras

• Toyo 45A / Toyo 45AII / Toyo 45G — works on 4×5 with very generous movements
• Cambo SC / Cambo Calumet 45NX
• 5×7 + 8×10 view cameras

Related lenses

• Rodenstock Grandagon-N 200mm f/6.8 — longer Grandagon-N sibling
• Schneider Super-Angulon 165mm f/8 — Schneider equivalent