With the a77, never miss another shot whether shooting a sequence of your preschooler's somersault, or the game-changing instant when ball meets bat. The a77 flawlessly captures fast action and fleeting moments with up to 12 fps continuous shooting—all at full 24.3-megapixel resolution with uninterrupted auto focus. Cutting-edge features include the world's first OLED electronic viewfinder and Sony's award-winning Translucent Mirror Technology. Now it's easier than ever to capture professional-grade photos that burst with unimaginable richness, clarity and detail.Spectacular 24.3MP ResolutionCapture incredibly detailed images that make for gorgeous enlargements thanks the world's first 24.3-megapixel sensor for APS-C DSLR cameras. Each shot captures a massive amount of detail with greatly reduced noise and vibrant images that explode with clarity and richness.Slot for two media typesThe a77 camera accepts o Memory Stick PRO Duo /Memory Stick PRO-HG Duo and SD/SDHC/SDXC media (Class 4 or higher recommended), each sold separately16-50mm f/2.8 Standard Zoom LensFrame up the perfect shot with the SAL-1650, for less editing later. Get amazing wide-angle to mid-range telephoto shots with beautifully defined colors that make reliving the moment magical. Enjoy fast response and strong depth-of-field thanks to the wide f/2.8 aperture. ED Glass ensures brilliant shots with a wide array of color or try out Circular Aperture for pleasing defocused effects. Aspherical lens elements minimize any visual abberations at the wide angle settings.Full-time Phase Detection AFAt your command is accurate auto focus in every mode, even HD Movie and Live View thanks to Sony’s exclusive Translucent Mirror Technology. Typically Contrast Detection Auto Focus hunts for correct focus, while Phase Detection AF knows exactly where correct focus is, and goes straight for it.Ultra Speed ShootingCapture up to 12 fps at full 24.3-megapixel resolution with continuous auto focus (AE locked after first frame) thanks to the power of Sony's award-winning Translucent Mirror Technology. Ideal for snapping a unique sequence of photos to capturing the defining moment in high speed sports photography.World's First OLED ViewfinderThe Tru-Finder OLED electronic viewfinder boasts 2359K dots for ultra-high resolution, so images pop with richness, clarity and detail. A high contrast ratio lends superb depth, while motion blur is reduced to a minimum. All camera adjustments can be made and seen in real time through the viewfinder.Amazing HD MoviesThe choice is yours. Shoot super smooth 60p, standard 60i or cinematic 24p movies—all at Full HD 1920 x 1080 resolution Capture high-quality AVCHD video that looks great on your HDTV, or shoot MP4 videos for upload to the web. Maintain creative control of your movies with access to shutter priority, aperture priority, manual mode and more.Rugged Magnesium Alloy BodyWith a strong-yet-lightweight magnesium alloy body, the a77 delivers on the promise of its good looks with the strength and rugged reliability your active lifestyle demands. Plus, all ports, doors and controls are weather-resistant for worry-free shooting, come rain or shine.Incredible Speed and PrecisionThe a77 combines both speed and fast focus in one camera. Infused with the latest version of Sony's award-winning Translucent Mirror Technology, light is directed to the image sensor and Phase Detection AF sensor simultaneously. Combined with Sony’s Exmor sensor technology which provides more than 5,600 column-parallel A/D converters., the result is ultra-fast shooting up to 10 fps with continuous auto focus.