N°90735 · Family detail
SigmaWide·PENTAX K mount
Sigma 28mm F/1.8
Specifications01
Summary02
Sigma 28mm f/1.8 is a wide-angle prime lens for the Pentax K mount, designed for low-light and general photography with a fast maximum aperture.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Pentax K mount has a flange distance of 45.46 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Pentax DA and FA J lenses have no aperture ring. Use an adapter with its own aperture control.
- Pentax DA lenses are made for APS-C.
- Sony EAdapter · 27.46 mm
- Canon RFAdapter · 25.46 mm
- Nikon ZAdapter · 29.46 mm
- Fujifilm XAdapter · 27.76 mm
- L-MountAdapter · 25.46 mm
- Micro Four ThirdsAdapter · 26.21 mm
- Fujifilm G (GFX)Adapter · 18.76 mm
- Canon EF-MAdapter · 27.46 mm
- Canon EFAdapter · 1.46 mm
A rear element that sticks out can hit the camera mirror.
No plain adapter reaches infinity focus on: Nikon F.

Other Mounts03
This lens family is also indexed in 9 other mounts.
CANON FDView lens
Sigma 28mm F/1.8
CONTAX/YASHICAView lens
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KONICA ARView lens
Sigma 28mm F/1.8
M42View lens
Sigma 28mm F/1.8
MINOLTA MDView lens
Sigma 28mm F/1.8
MINOLTA SRView lens
Sigma 28mm F/1.8
NIKON FView lens
Sigma 28mm F/1.8
NIKON F DXView lens
Sigma 28mm F/1.8
OLYMPUS OMView lens
Sigma 28mm F/1.8