20mm F1.8 EX DG Aspherical RF
Pentax K
Sigma 20mm F1.8 EX DG Aspherical RF

About

This is a full frame Pentax K mount lens introduced by Sigma. Its focal length is 20mm with an aperture of ƒ/1.8. You can find a review of it on DPReview.

Related

New
Used
KEH is American and has slightly higher grading standards, while MPB is originally from the UK. Both are global leaders in used lens trading.

Similar Lenses