Nikon Nikkor SW 90mm f/4.5

Nikon Nikkor-SW 90mm f/4.5 is the fast 4×5 wide-angle Nikkor flagship — Nikon's premier 4×5 wide. Equivalent to roughly 28mm on 35mm.

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: ~235mm at f/22 — covers 4×5 with very generous movements; covers 5×7
• Optical formula: Nikon Super-Wide
• Multi-coating standard

Use case + rendering

The 90/4.5 SW is among the best-regarded 4×5 wide-angles — competitive with Schneider Super-Angulon 90/5.6 / Fujinon SWD 90 / Rodenstock Grandagon-N 90. Bright f/4.5 aperture is meaningful for ground-glass focusing.

Compatible cameras

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

Related lenses

• Nikon Nikkor-SW 90mm f/8 — slower compact sibling
• Nikon Nikkor-SW 75mm f/4.5 — wider SW sibling
• Nikon Nikkor-SW 120mm f/8 — longer wide sibling
• Schneider Super-Angulon 90mm f/5.6 — Schneider equivalent
• Fujinon SWD 90mm f/5.6 — Fujinon equivalent
• Rodenstock Grandagon-N 90mm f/4.5 — Rodenstock equivalent