Acuton 150mm f/6.3

Acuton 150mm f/6.3 is a generic / regional brand 4×5 normal LF lens at 150mm.

Key features

• Mount: Copal 0 shutter (1s to 1/500, X-sync at all speeds)
• Focal length: 150mm
• Maximum aperture: f/6.3
• Image circle: ~190mm at f/22 — covers 4×5 with movements
• Optical formula: Tessar-derived or symmetric plasmat (varies by production)
• Multi-coating typical

Use case + rendering

The 150 Acuton is the budget-tier 4×5 normal — alternative to Schneider Symmar / Rodenstock Sironar at lower used price.

Compatible cameras

• Toyo 45A / Toyo 45AII / Toyo 45G
• Cambo SC / Cambo Calumet 45NX
• Graflex Crown Graphic / Graflex Speed Graphic / Graflex Super Graphic

Related lenses

• Acuton 180mm f/4.8 — longer Acuton sibling
• Schneider Symmar 150mm f/5.6 — premium alternative