Rodenstock APO-Ronar 300mm f/9

Rodenstock Apo-Ronar 300mm f/9 is the apochromatic process / macro dialyte at 300mm — for alternative-process work on 8×10 contact prints and macro 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: ~420mm at infinity; ~560mm at 1:1
• Optical formula: Apochromatic dialyte
• Single-coated typical
• Process / macro optimization

Use case + rendering

The 300 Apo-Ronar is the alternative-process 8×10 normal Rodenstock. Direct equivalent to Schneider G-Claron 305 / Fujinon AS 300. Sharpness optimized for close-focus distances.

Compatible cameras

• Cambo SC / Cambo Calumet 45NX — extension rails recommended
• 8×10 + 11×14 view cameras

Related lenses

• Rodenstock Apo-Ronar 240mm f/9 — wider Apo-Ronar
• Rodenstock Apo-Ronar 360mm f/9 — longer Apo-Ronar
• Schneider G-Claron 305mm f/9 — Schneider equivalent
• Fujinon AS 300mm f/9 — Fujinon equivalent