Panasonic 25mm f/1.4 Leica DG Summilux Aspherical Lens for Micro 4/3 System. The new LEICA DG lens features the Nano Surface Coating, which minimizes ghosting and flare, and an Ultra High Refractive (UHR) index lens, which makes it thin and light without compromising its image quality. Moreover, its F1.4 brightness allows a beautiful soft focus for photos to be even more impressive. The Panasonic 25mm F/1.4 is commonly used for Low light, Night photography, Weddings and more.The Panasonic 25mm F/1.4 is popular because customers like the following qualities of the Panasonic 25mm F/1.4: Consistent output, Durable, Fast / accurate auto-focus, Lightweight, Nice bokeh to mention just a few. Includes Front & Lens Caps, Lens Hood, Lens Storage Pouch and Panasonic U.S.A. Limited Warranty, One-Year Parts/90-Days Labor. Vendor Part # HX025

Mount Type: Micro Four Thirds mount F stop range: 1.4 - 16 Maximum Reproduction Ratio: Approx. 0.11x / 0.22x (35mm camera equivalent) Construction: 9 elements in 7 groups (1 Ultra High Refractive Index lens, 2 Aspherical lenses) Focal Length: f = 25mm (35mm camera equivalent 50mm) Closest Focusing Distance: 0.30m / 0.98 feet Filter Size: 46mm Dimensions Diameter x Length): (Approx.) 2.7 x 2.1 in. / 63 x 54.5 mm (from the tip of the lens to the base side of the lens mount) Weight: (Approx.) 7.05 oz / 200g