The Sony Alpha a77 is a digital single-lens reflex (DSLR) camera known for its high-speed performance and advanced features. It boasts a 24.3-megapixel APS-C sensor, which captures detailed images with vibrant colors. The camera also offers continuous shooting at up to 12 frames per second, making it ideal for action photography. Additionally, the a77 features a 3-inch tilting LCD screen and an electronic viewfinder, providing users with a clear view of their subjects. It supports full HD video recording and has built-in image stabilization, enhancing the overall shooting experience for both amateur and professional photographers.