Rodenstock Grandagon N 90mm f/4.5

Rodenstock Grandagon-N 90mm f/4.5 is the flagship 4×5 wide-angle Rodenstock at 90mm — equivalent to roughly 28mm on 35mm. Bright f/4.5 aperture; large image circle for substantial movements.

Key features

• Mount: Copal 0 shutter (1s to 1/500, X-sync at all speeds)
• Focal length: 90mm
• Maximum aperture: f/4.5
• Image circle: ~250mm at f/22 — covers 4×5 with very generous movements; covers 5×7
• Optical formula: Symmetrical wide-angle plasmat
• Multi-coating standard

Use case + rendering

The 90/4.5 Grandagon-N is the flagship architectural wide for 4×5 — bright f/4.5 plus 250mm IC makes this among the most-versatile wide-angles available. Direct competitor to Schneider Super-Angulon 90/5.6 with slightly brighter aperture.

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 Grandagon-N 90mm f/6.8 — slower compact sibling
• Rodenstock Grandagon-N 75mm f/4.5 — wider sibling
• Rodenstock Grandagon-N 115mm f/6.8 — longer wide sibling
• Schneider Super-Angulon 90mm f/5.6 — Schneider equivalent
• Fujinon SWD 90mm f/5.6 — Fujinon equivalent