Computar F9 240mm f/9

Computar f/9 240mm f/9 is the Japanese process / macro 5×7 + 8×10 Computar.

Key features

• Mount: Copal 1 shutter (1s to 1/400, X-sync at all speeds)
• Focal length: 240mm
• Maximum aperture: f/9
• Image circle: ~300mm at infinity; ~440mm at 1:1
• Optical formula: Apochromatic dialyte
• Single-coated

Use case + rendering

The 240 Computar f/9 is the alternative-process Computar 5×7 + 8×10 normal.

Compatible cameras

• Cambo SC / Cambo Calumet 45NX
• 5×7 + 8×10 view cameras

Related lenses

• Schneider G-Claron 240mm f/9 — Schneider equivalent
• Computar f/9 270mm f/9 — longer f/9 sibling