Computar F9 305mm f/9

Computar f/9 305mm f/9 is the Japanese process / macro 8×10 normal Computar — the longest standard Computar f/9.

Key features

• Mount: Copal 3 shutter (1s to 1/125, X-sync at all speeds)
• Focal length: 305mm
• Maximum aperture: f/9
• Image circle: ~376mm at infinity; ~550mm at 1:1
• Optical formula: Apochromatic dialyte
• Single-coated

Use case + rendering

The 305 Computar f/9 is the alternative-process Computar 8×10 normal — equivalent to Schneider G-Claron 305.

Compatible cameras

• 8×10 + 11×14 view cameras with Copal 3 lens-board capacity

Related lenses

• Schneider G-Claron 305mm f/9 — Schneider equivalent