Amazon Product DescriptionThe Pentax SSMCP-FA 77mm f1.8 Limited lens comes with a protective case. This 77mm telephoto lens has a minimum focus distance of 2.3 feet, which lets you get quite close to your subject. It has a fully automatic diaphragm and a 31.5 degree angle of view. It can be used with all Pentax SLR cameras, but the AF system only works with a Pentax AF camera. At only 1.9 inches and weighing 9.5 ounces, the lens can be taken with you anywhere.Product DescriptionPentax has been a leader in the photographic field for many years. Many Pentax innovations have become standards in the industry. Pentax"s enthusiasm and devotion towards the development of high-quality products have thrived over the years and continues to be stronger than ever.