Photographers throughout World have a reason to smile as Pentax the renowned lens producers has recently launched PENTAX-DA 16-50mm F2.8 ED AL [IF] SDM Lens for softer, easier and quieter auto focusing. Considered ideal landscape and portrait photography, this 3.1-times zoom lens is expected to covers angles of view from 24.5mm to 76.5mm (in the 35mm format). As for shortest photographing distance 30cm and filter diameter comes to 77 mm. The Lens measures about 84×98.5mm and weights around 565g. The lens employs two extra-low dispersion elements and also it has got three aspherical elements. The Lens is expected to reach the store shelves by the month end although about the pricing there is no word till now.