New SG-Image AF 55mm f/1.8 STM full-frame lens announced in Japan (X/E/Z)

SG-Image announced a new AF 55mm f/1.8 STM full-frame lens for Fuji X, Sony E, and Nikon Z mount in Japan (previously reported here). Here are the details:

  • Focal length: 55mm (35mm format equivalent)
  • Focus mode: AF (autofocus)
  • Lens construction: 10 elements in 8 groups (including 5 high-refractive lenses)
  • Aperture blades: 9
  • Supported image size: full-frame
  • Aperture range: f/1.8-f/16
  • Minimum shooting distance: 0.5m
  • Filter diameter: 58mm
  • Size: 69mm x 78mm
  • Accessories: lens cap, rear cap, square hood
  • Weight: 365g



SG-image AF 55mm F1.8 STM Announced

New SG-Image lenses: 18mm f/6.3, 55mm f/1.8, and 50mm f/1.8 with with interchangeable bokeh patterns/aperture plates

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