N°99201 · Family detail
SigmaWide·KONICA AR mount

Sigma MF Ultra-Wide 18mm F/2.8 Multi-Coated II

Specifications01

Focal length18mm
Max aperturef/2.8
TypeWide · Prime

Summary02

Sigma 18mm f/2.8 ultra-wide prime lens for the Konica AR mount. Designed for wide-angle landscape and general-purpose low-light shooting with a constant f/2.8 aperture.

AI-assisted summary — verify against linked sources

Specifications from lensdb

Where can this lens be adapted?

The Konica AR mount has a flange distance of 40.5 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work

  • Sony EAdapter · 22.5 mm
  • Canon RFAdapter · 20.5 mm
  • Nikon ZAdapter · 24.5 mm
  • Fujifilm XAdapter · 22.8 mm
  • L-MountAdapter · 20.5 mm
  • Micro Four ThirdsAdapter · 21.25 mm
  • Fujifilm G (GFX)Adapter · 13.8 mm

    Covers full-frame: it can vignette on a medium format sensor.

  • Canon EF-MAdapter · 22.5 mm

No plain adapter reaches infinity focus on: Canon EF, Nikon F.

Sources03

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