Rodenstock Geronar 210mm f/6.8

Rodenstock Geronar 210mm f/6.8 is the budget Tessar-derived 4×5 + 5×7 lens — at the popular 210mm focal length, in budget Tessar class.

Key features

• Mount: Copal 1 shutter (1s to 1/400, X-sync at all speeds)
• Focal length: 210mm
• Maximum aperture: f/6.8
• Image circle: ~245mm at f/22 — covers 5×7 tightly; covers 4×5 with movements
• Optical formula: 4-element Tessar
• Single-coated typical

Use case + rendering

The 210 Geronar is the budget 4×5 portrait-tele / 5×7 normal — Tessar character with the lower contrast and corner softness typical of the design. Good for B&W static-subject work.

Compatible cameras

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

Related lenses

• Rodenstock Geronar 150mm f/6.3 — wider Geronar sibling
• Rodenstock Geronar 300mm f/9 — longer Geronar sibling
• Rodenstock Apo-Sironar-N 210mm f/5.6 — premium plasmat alternative