Sony A77

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The Sony Alpha A77 is a digital single-lens translucent (SLT) camera introduced in 2011, featuring a 24.3-megapixel APS-C CMOS sensor that delivers high-resolution imaging performance. It utilizes Sony's Translucent Mirror Technology, allowing for rapid autofocus and continuous shooting without the delay common in DSLR mirror mechanisms. The camera supports an advanced 79-point phase-detection autofocus system, enhancing subject tracking and precision. It records full HD video at 60p/24p using AVCHD format, providing professional video quality. The A77 features a high-resolution electronic viewfinder with 100% frame coverage, giving photographers an accurate preview. Connectivity options include HDMI output and USB 2.0 support, facilitating easy media transfer and external monitoring.

The Alpha A77 also offers a flexible ISO sensitivity range from 100 to 16000, suitable for diverse lighting conditions. The camera's ergonomics include a magnesium alloy body with weather sealing for durability. Additionally, image stabilization is provided through SteadyShot INSIDE sensor-shift technology, effective across all compatible lenses.

The Sony Alpha A77 stands out with its innovative translucent mirror design, enabling ultra-fast continuous shooting up to 12 frames per second. The 24.3 MP APS-C sensor captures detailed and vibrant images with low noise. Its advanced autofocus system includes 79 phase-detection points, delivering quick and accurate focus tracking especially for moving subjects. The camera's electronic viewfinder offers bright, clear viewing with real-time exposure previews. Full HD video recording and customizable settings cater to both photographers and videographers. Additionally, the body construction is robust with integrated weather resistance, enhancing its reliability in challenging environments.

While the A77's electronic viewfinder provides advantages, it may exhibit lag or reduced clarity in extremely low-light conditions compared to optical viewfinders. The camera's battery life is moderate and may require extra batteries for prolonged shooting sessions. Its relatively bulky body size might be less comfortable for users preferring compact cameras. The camera uses memory cards that are somewhat slower compared to newer standards, affecting buffer clearing speed during continuous bursts. Some users may find the menu system complex, requiring time to fully master. Lastly, the lack of 4K video recording places it behind contemporary models in the video domain.

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