Rodenstock Geronar 300mm f/9

Rodenstock Geronar 300mm f/9 is the budget Tessar-derived 8×10 normal — slowest aperture in the Geronar lineup, but adequate for static-subject 8×10 work.

Key features

• Mount: Copal 1 shutter (1s to 1/400, X-sync at all speeds)
• Focal length: 300mm
• Maximum aperture: f/9
• Image circle: ~340mm at f/22 — covers 8×10 with limited movements
• Optical formula: 4-element Tessar
• Single-coated typical

Use case + rendering

The 300 Geronar is the budget 8×10 normal — for buyers entering 8×10 at minimum lens cost. Tessar character with center sharpness and softer corners.

Compatible cameras

• 8×10 view cameras
• 4×5 + 5×7 view cameras for long-tele use

Related lenses

• Rodenstock Geronar 210mm f/6.8 — wider Geronar sibling
• Rodenstock Apo-Sironar-N 300mm f/5.6 — premium plasmat alternative