Calumet Caltar SII 150mm f/5.6

Calumet Caltar S-II 150mm f/5.6 is the Caltar S-II generation 4×5 normal — Calumet-branded Schneider Apo-Symmar 150 OEM.

Key features

• Mount: Copal 0 shutter (1s to 1/500, X-sync at all speeds)
• Focal length: 150mm
• Maximum aperture: f/5.6
• Image circle: ~220mm at f/22 — covers 4×5 with generous movements
• Optical formula: Schneider Apo-Symmar OEM
• Multi-coating standard

Use case + rendering

The 150 Caltar S-II is the modern Caltar 4×5 universal normal — Schneider Apo-Symmar 150 glass at lower 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

• Schneider Apo-Symmar 150mm f/5.6 — Schneider equivalent
• Calumet Caltar II 150mm f/5.6 — Rodenstock-OEM Caltar at same FL
• Calumet Caltar HR 150mm f/5.6 — Rodenstock Apo-Sironar-S OEM