Fujinon LS 210mm f/5.6

Fujinon LS 210mm f/5.6 is a rare L-series variant of the 210 plasmat — Fujinon designation suggests "Long" or specific regional / production-year designation. Performance broadly equivalent to the 210 W in image-circle and resolution class.

Key features

• Mount: Copal 1 shutter (1s to 1/400, X-sync at all speeds)
• Focal length: 210mm
• Maximum aperture: f/5.6
• Image circle: ~295mm at f/22 — covers 5×7 with movements; covers 8×10 tightly
• Optical formula: 6-element/4-group plasmat
• Coating varies by production year

Use case + rendering

The 210 LS is the rare regional Fujinon variant at the popular 210mm focal length. Performance comparable to W 210 / NWS 210; the rarity is in the designation, not the optical class.

Compatible cameras

• Toyo 45A / Toyo 45AII / Toyo 45G
• Cambo SC / Cambo Calumet 45NX
• 5×7 + 8×10 view cameras

Related lenses

• Fujinon W 210mm f/5.6 — direct W sibling
• Fujinon NWS 210mm f/5.6 — multi-coated successor
• Fujinon CM-W 210mm f/5.6 — modern compact equivalent