Panasonic Lumix S 18-40mm F4.5-6.3 L-Mount Compact Zoom Lens

The Lumix S 18-40mm F4.5-6.3 L-Mount Compact Zoom Lens is an L-Mount zoom covering 18 mm to 40 mm at a maximum aperture of F4.5 (Wide) to F6.3 (Tele). The optical formula is 8 elements in 7 groups (3 aspherical lenses, 2 ED lenses, 1 UHR lens) *The protective glass is not included, and the diaphragm uses 7 diaphragm blades/circular aperture diaphragm. Diagonal angle of view is 100 deg (Wide) to 57 deg (Tele). It mounts on any L-Mount body, which means the Lumix S line as well as Leica and Sigma L-Mount cameras.

Closest focusing distance is 0.15 m (0.49 feet) to ∞ (Wide to focal length 21 mm) / 0.35 m (1.15 feet) to ∞ (Tele) (from the focus distance reference line) for a maximum magnification of 0.28x (focal length 21 mm). The barrel is dust and splash resistant. Panasonic rates it for operation from -10 degC to 40 degC (14 degF to 104 degF). Filters thread on at 62 mm, and maximum barrel diameter is 67.9 mm (2.67 in).