Pentax K-Mount SMC DA 50mm F/1.8 Prime Lens for Pentax DSLR Camera Style name:Lens Only   Product description The Pentax smc DA 50mm f/1.8 Lens is a versatile, medium-telephoto lens with superb image details, designed exclusively for PENTAX digital cameras. Designed for exclusive use with PENTAX K-mount interchangeable-lens digital cameras, this fixed focal length, medium-telephoto lens features a large maximum aperture and a round diaphragm to produce a natural, beautiful bokeh (out-of-focus) effect, making it ideal for portraits and casual snapshots. Its outstanding performance and compact, lightweight design also make it handy for photographers of all levels - from interchangeable-lens digital camera beginners to discerning, experienced photographers. Thanks to state-of-the-art PENTAX optical design technology, the image circle of the lens has been optimized for K-mount interchangeable-lens digital cameras to effectively compensate astigmatism for sharp, clear images. Measuring a mere 38.5 millimetres in length and weighing just 122 grams, this lens has the compact, lightweight design that lets it come along on every outing. Its solid, refined appearance matches the design of a top-class camera body.When mounted on a PENTAX K-mount interchangeable-lens digital camera body, this medium-telephoto lens offers an equivalent focal length of approximately 76.5mm in the 35mm format, offering a moderate-telephoto perspective perfect for portraiture with a smooth, beautiful bokeh effect in the background and snapshots cropping a part of the subject. Its front surface is treated with the PENTAX-original SP (Super Protect) Coating to not only repel dust, water and grease, but also allow easy removal of grease adhering to the surface. This means worry-free use in all kinds of shooting locations. Thanks to its large F1.8 maximum aperture, the lens can easily produce images with a very shallow depth of field. Its round diaphragm produces a natural, beautiful bokeheffect, while minimizing streaking of point light sources. The large aperture also makes it possible to use faster shutter 				    	 					 From the Manufacturer  This fast F1.8 aperture prime standard lens is ideal for portrait, still life, or low light photography. The rounded diaphragm blades create a more circular aperture for smooth, beautiful bokeh at large aperture setting.  Prime standard lens is ideal for portrait, still life, or low light photography.Rounded diaphragm blades create a more circular aperture for smooth, beautiful bokeh at large aperture settings.Focal length equivalent to 76.5mm (in 35mm format).Fast F1.8 aperture for outstanding depth of field control.SP (Super Protect) coating, which repels dust, water, grease, and other substances that may adhere to the surface of the lens.Developed specifically for PENTAX digital SLR cameras.