Designed for micro four thirds mirrorless cameras, the Panasonic Leica 25mm f/1.4 II DG Summilux ASPH Lens is a bright, normal-length prime with a 50mm equivalent focal length. A bright, constant f/1.4 aperture ensures beautiful imagery in low-light, and provides unique control over depth of field. Two aspherical elements and one UHR element help keep images crisp and clear, and a stepping AF motor captures accurate shots while remaining nearly silent. Dust- and splash-resistant construction make this lens perfect for use out-of-doors. Bright, beautiful results The Panasonic Leica 25mm f1.4 Summilux Four Thirds Lens features a fast, maximum f/1.4 aperture, increasing consistency in illumination even in low-light conditions, and providing greater control over depth of field. Crystal clear imagery To help ensure accurate image capture, the Panasonic Leica 25mm f1.4 Summilux Four Thirds Lens is designed with two aspherical elements as well as an Ultra-High Refractive Index (UHR) element, resulting in imagery free from spherical aberrations and distortion, and high resolution from corner to corner. Quick, quiet focusing Achieve near-silent focus performance with the Panasonic Leica 25mm f1.4 Summilux Four Thirds Lens. A stepping AF motor and internal focus means fast, smooth focusing in both still shots as well as video. Withstand the weather The Panasonic Leica 25mm f1.4 Summilux Four Thirds Lens is dust- and splash-resistant for use in inclement weather and harsh shooting conditions, but is just as at home in the studio.