Sony ILCE9/B

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The Sony ILCE9/B, also known as the Sony Alpha 9, is a professional-grade full-frame mirrorless camera released in 2017. It features a 24.2-megapixel stacked Exmor RS CMOS sensor combined with a BIONZ X image processor, enabling ultra-fast image processing and superb image quality. The camera supports blackout-free continuous shooting at up to 20 frames per second with full autofocus and auto exposure tracking. It includes a 693-point phase-detection autofocus system that covers approximately 93% of the image area for precise subject tracking. Additionally, the device offers 4K video recording with full pixel readout and no pixel binning, ensuring high-resolution video capture. The durable magnesium alloy body provides robust weather sealing, suitable for demanding professional use.

The Sony ILCE9/B delivers exceptional speed with up to 20 fps blackout-free continuous shooting, ideal for capturing fast-moving subjects. Its advanced 693-point phase-detection AF system offers superior autofocus accuracy and tracking performance. The back-illuminated stacked CMOS sensor enhances noise reduction and dynamic range for remarkable image quality. The 4K video capabilities with full pixel readout provide filmmakers with high-quality footage without compromise. The camera's electronic shutter eliminates mechanical vibrations and shutter wear, increasing reliability. Magnesium alloy construction with weather sealing ensures durability for professional field use.

The Sony ILCE9/B can have a relatively high-priced entry point, which may be prohibitive for some users. Its battery life, though improved over previous models, may still require multiple spare batteries for extended shooting. The camera's menu system can be complex for new users, requiring a learning curve to optimize settings. While excellent for stills and video, the lack of in-body stabilization requires lenses with OSS for better handheld video performance. Some users report limited touch screen functionality compared to competitors. The size and weight, while compact for a full-frame camera, may still be bulky compared to smaller mirrorless models.

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