Calumet Caltar II 90mm f/6.8

Calumet Caltar II 90mm f/6.8 is the slower wide Caltar LF lens at 90mm — Caltar-II generation Rodenstock OEM.

Key features

• Mount: Copal 0 shutter (1s to 1/500, X-sync at all speeds)
• Focal length: 90mm
• Maximum aperture: f/6.8
• Image circle: ~218mm at f/22 — covers 4×5 with movements
• Optical formula: Rodenstock Grandagon-N OEM
• Multi-coating standard

Use case + rendering

The 90 Caltar II is the slower compact wide 4×5 Calumet — equivalent to Rodenstock Grandagon-N 90/6.8 at lower used-market 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

• Calumet Caltar HR 90mm f/5.6 — faster HR sibling
• Rodenstock Grandagon-N 90mm f/6.8 — Rodenstock equivalent