This is the SIGMA 18-50mm F2.8 DC DN | Contemporary lens, L-mount version. (It says SA mount, but it is the L-mount.) I purchased this used, in excellent condition, in August 2025, but I am selling it because I am replacing it. It should be compatible with L-mount cameras such as the SIGMA fp / fpl, Panasonic LUMIX, and Leica products. The condition is good, with only a small amount of dust that does not affect image quality. As a bonus, I will include: - A 55mm SIGMA brand protector (approx. 3300 yen) - A lens hood from booth構図商店 (approx. 2500 yen), which I like for its rigidity and compactness. If you do not need the bonus protector, I will discount the price by 1000 yen. Focal length (wide side)...13-18mm Focal length (telephoto side)...36-50mm Aperture...2.1-2.8