20mm F1.8 EX DG Aspherical RF
Nikon FX
Sigma 20mm F1.8 EX DG Aspherical RF

About

This is a full frame Nikon FX 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.

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New
Used
Starting at $187
KEH is American and has slightly higher grading standards, while MPB is originally from the UK. Both are global leaders in used lens trading.

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