Other 180mm f4.5 上海照相四厂 - Lens

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Sturdy all-metal Chinese made lens, most likely manufactured by Seagull. Probably a repro or enlarging lens. The lens has an aperture ring but no focusing helicoid. The lens has a 56mm rear thread with a separate mounting ring.

  • Min. aperture: f32.
  • No. of aperture blades: 12
  • Weight: 316g.
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