Tri-Elmar-M 16-18-21mm f/4 ASPH
Leica M
Leica Tri-Elmar-M 16-18-21mm f/4 ASPH

About

This is a full frame Leica M mount lens introduced by Leica 18 years ago. Its focal range is 1621mm with an aperture of ƒ/4. You can find a review of it on DPReview.

Related

New
Used
Starting at $4,164
KEH is American and has slightly higher grading standards, while MPB is originally from the UK. Both are global leaders in used lens trading.