Leica DG Vario-Summilux 25-50mm / F1.7 ASPH.
Micro Four Thirds
Panasonic Leica DG Vario-Summilux 25-50mm / F1.7 ASPH.

About

This is a small sensor Micro Four Thirds mount lens introduced by Panasonic 3 years ago. Its focal range is 50100mm FFE with an aperture of ƒ/1.7. You can find a review of it on DPReview.

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New
Used
Starting at $1,002
KEH is American and has slightly higher grading standards, while MPB is originally from the UK. Both are global leaders in used lens trading.