Computar F9 270mm f/9

Computar f/9 270mm f/9 is the Japanese process / macro 8×10 wide-of-normal Computar.

Key features

• Mount: Copal 1 shutter (1s to 1/400, X-sync at all speeds)
• Focal length: 270mm
• Maximum aperture: f/9
• Image circle: ~330mm at infinity; ~490mm at 1:1
• Optical formula: Apochromatic dialyte
• Single-coated

Use case + rendering

The 270 Computar f/9 is the alternative-process Computar 8×10 wide-of-normal.

Compatible cameras

• 8×10 view cameras

Related lenses

• Schneider G-Claron 270mm f/9 — Schneider equivalent