Superor imaging performance even at full open aperture throughout the full focusing range from infinity down to 28. Selective sharpness ability for creative photography due to the large maximum aperture of F1.4. Strong supppression of stray light and reflexes for high-contrast pictures even in back light situations. Effective visibility through the viewfinder due to compact dimensions High quality, all-metal lens hood The Summilux-M 35mm f/1.4 ASPH. Lens from Leica is a versatile world-class wide-angle lens that yields the sharpness, contrast rendition and high resolving power characteristic of the Leica arsenal of lenses. In comparison with its predecessor, the Summilux-M 35mm f/1.4 ASPH. now incorporates a floating element: the lenses behind the aperture blades are constructed as a floating group that changes its position relative to the front lens group during focusing to ensure that it achieves equally outstanding imaging performance at closer focusing distances.