Rodenstock APO-Sironar W 150mm f/5.6
Rodenstock Apo-Sironar-W 150mm f/5.6 is the wide-image-circle Rodenstock 4×5 normal — the "W" denoting an extra-large image circle designed for substantial movements typical of architectural and product work.
Key features
- Mount: Copal 1 shutter (1s to 1/400, X-sync at all speeds)
- Focal length: 150mm
- Maximum aperture: f/5.6
- Image circle: ~310mm at f/22 — covers 4×5 with extreme movements; covers 5×7 with generous movements; covers 8×10 tightly
- Optical formula: Apochromatic plasmat with extra-large image circle
- Multi-coating standard
Use case + rendering
The 150 Apo-Sironar-W is the architectural 4×5 + 5×7 normal Rodenstock — direct equivalent to Schneider Super-Symmar XL 150. Substantial image circle supports movements not possible with the standard Apo-Sironar-N 150.
Compatible cameras
- Toyo 45A / Toyo 45AII / Toyo 45G
- Cambo SC / Cambo Calumet 45NX
- 5×7 + 8×10 view cameras
Related lenses
- Rodenstock Apo-Sironar-N 150mm f/5.6 — standard sibling
- Rodenstock Apo-Sironar-W 210mm f/5.6 — longer W sibling
- Schneider Super-Symmar XL 150mm f/5.6 — Schneider equivalent
Notes
Specs: Michael K. Davis, largeformatphotography.info (2002)