Rodenstock Geronar 150mm f/6.3

Rodenstock Geronar 150mm f/6.3 is the budget Tessar-derived 4×5 normal — Rodenstock's budget normal, equivalent to Schneider Xenar 150 and similar Tessar-class normals.

Key features

• Mount: Copal 0 shutter (1s to 1/500, X-sync at all speeds)
• Focal length: 150mm
• Maximum aperture: f/6.3
• Image circle: ~165mm at f/22 — barely covers 4×5; movements minimal
• Optical formula: 4-element Tessar
• Single-coated typical

Use case + rendering

The 150 Geronar is the budget 4×5 normal — Tessar performance: sharp at center, corners require f/22. Good for static-subject work; widely available on used market at low prices.

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 Geronar 210mm f/6.8 — longer Geronar sibling
• Rodenstock Apo-Sironar-N 150mm f/5.6 — premium plasmat alternative
• Schneider Xenar 150mm f/5.6 — Schneider equivalent