The LUMIX S Pro 24-70mm F2.8 (S-E2470) is a large-aperture standard zoom lens that boasts high descriptive performance across the entire zoom range. The optical performance of this lumix S Pro lens is remarkably high to clear stringent Leica standards. Ensuring versatile use for landscapes, snaps and portraits with its 24-70mm focal length, the LUMIX S Pro 24-70mm F2.8 features stunningly high resolution and high contrast at each focal length point. The full-range F2.8 high-speed aperture provides smooth Defocus gradation from the focus peak to the neighboring area of the image to achieve a beautiful bokeh effect as well as a rich perspective. The rugged dust/splash-resistant* design withstands use under harsh conditions even at 10 degrees below zero for high mobility. The filter diameter is 82 mm, with an 11-blade Circular aperture diaphragm. *Dust and splash resistant does not guarantee that damage will not occur if this lens is subjected to direct contact with dust and water.