Fujinon TS 400mm f/8

Fujinon TS 400mm f/8 is the Telephoto Super LF design at 400mm — refined T-series variant with larger image circle for movements at portrait-tele focal length.

Key features

• Mount: Copal 3 shutter (1s to 1/125, X-sync at all speeds)
• Focal length: 400mm (effective)
• Maximum aperture: f/8
• Image circle: ~280mm at f/22 — covers 4×5 with generous movements; covers 5×7 with movements
• Optical formula: Telephoto (refined for larger IC)
• Multi-coating standard

Use case + rendering

The 400 TS is the refined long-tele 4×5 + 5×7 Fujinon — larger IC enables substantial movements on 4×5, useful for distant landscape isolation with rise/fall applied. Sharper than standard T 400.

Compatible cameras

• Toyo 45A / Toyo 45AII / Toyo 45G — verify bellows draw
• Cambo SC / Cambo Calumet 45NX
• 5×7 view cameras

Related lenses

• Fujinon TS 300mm f/8 — wider TS sibling
• Fujinon T 400mm f/8 — standard T sibling (smaller IC)
• Fujinon TS 600mm f/12 — longer TS sibling