N°90685 · Family detail
SigmaWide·PENTAX K mount
Sigma AF 28mm F/1.8 ASPH
Specifications01
MountPENTAX K
Focal length28mm
Max aperturef/1.8
TypeWide · Prime
Field Notes02
Sigma AF 28mm F/1.8 ASPH is a fixed 28mm prime for the Pentax K mount, with a maximum aperture of f/1.8 for low-light and general-purpose use. It uses an autofocus design and is suited to wide-to-standard framing.
AI-assisted summary — verify against linked sourcesOther Mounts03
This lens family is also indexed in 5 other mounts.