Sinar Sinaron W 90mm f/4.5

Sinar Sinaron-W 90mm f/4.5 is the classical 4×5 wide-angle Sinar — Sinar-branded Rodenstock Grandagon-N 90mm f/4.5.

Key features

• Mount: Copal 0 shutter (1s to 1/500, X-sync at all speeds)
• Focal length: 90mm
• Maximum aperture: f/4.5
• Image circle: ~250mm at f/22 — covers 4×5 with very generous movements; covers 5×7
• Optical formula: Rodenstock Grandagon-N OEM
• Multi-coating standard

Use case + rendering

The 90/4.5 Sinaron-W is among the best 4×5 wide-angles — large image circle plus bright f/4.5 aperture.

Compatible cameras

• Toyo 45A / Toyo 45AII / Toyo 45G
• Cambo SC / Cambo Calumet 45NX
• Graflex Crown Graphic / Graflex Speed Graphic / Graflex Super Graphic
• Sinar P/F/Norma view cameras

Related lenses

• Sinar Sinaron-W 90mm f/6.8 — slower compact sibling
• Rodenstock Grandagon-N 90mm f/4.5 — direct OEM equivalent
• Schneider Super-Angulon 90mm f/5.6 — Schneider equivalent
• Fujinon SWD 90mm f/5.6 — Fujinon equivalent
• Nikon Nikkor-SW 90mm f/4.5 — Nikon equivalent