Panasonic introduced the second leica interchangeable lens designed specifically for the digital slr camera the leica d summilux 25mmf14 asph complies with the four thirds systemthe new leica d summilux 25mmf14 lens 35mm equivalent 50mm is a bright large diameter f14 standard lens it incorporates an aperture ring and boasts as many as 10 lens elements in 9 groups including a large diameter aspherical lens which assure a superb optical performance and f14 brightness while one sup