Sony A77

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The Sony Alpha SLT-A77V is a digital single-lens translucent (SLT) camera introduced in 2011. It features a 24.3-megapixel APS-C Exmor CMOS sensor designed to deliver high-resolution images with excellent detail and low noise performance. The camera utilizes Sony's SLT technology with a fixed translucent mirror that allows for fast and accurate phase-detection autofocus during live view and video recording. It offers an ISO range from 100 to 16,000 expandable to 25,600, supporting shooting in various lighting conditions. The A77V supports Full HD 1080p video recording at multiple frame rates with optimized audio controls. The camera's body is built with magnesium alloy for durability and features a high-resolution electronic viewfinder and a 3-inch tilting LCD screen.

It supports continuous shooting at 12 frames per second, made possible by the fast hybrid AF system that combines phase-detection and contrast-detection autofocus. The SLT-A77V incorporates Sony's BIONZ image processor which enhances image quality and overall camera responsiveness. Connectivity options include HDMI output for high-definition video playback and support for various lenses compatible with the Sony Alpha mount system.

The Sony SLT-A77V offers ultra-fast continuous shooting at 12 fps, ideal for action and sports photography. Its translucent mirror technology enables faster and more accurate phase-detection autofocus during live view and video recording without interruption. The 24.3MP APS-C sensor provides excellent image resolution and dynamic range, producing sharp and detailed photos. The Full HD video capture supports multiple frame rates with high-quality stereo sound recording. A robust magnesium alloy body ensures durability and weather resistance for professional use in various conditions. Additionally, the electronic viewfinder provides a clear and detailed preview with real-time exposure and white balance information.

The fixed translucent mirror design may reduce light transmission to the sensor by roughly one-third, potentially impacting low-light performance compared to traditional DSLRs. The camera's high continuous shooting speed results in large buffer sizes which can temporarily slow down operation during extended burst captures. Autofocus performance, while advanced, can sometimes struggle with extremely fast-moving subjects or complex backgrounds in low light. The electronic viewfinder, despite high resolution, might cause slight lag or less natural viewing compared to an optical pentaprism. Some users find the menu system complex and less intuitive, requiring a learning curve. Battery life could be shorter when using continuous video recording or live view extensively.

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