Sony Alpha a7S Mirrorless Digital Camera, Full Frame, 12MP, 4K Video BIONZ X Processor

Presenting the a7S, the world's smallestfull frame interchangeable lens camera. Images and video come alive with a breakthrough dynamic range. ISO sensitivity up to 409,600 reveals astonishing detail and color even in the dead of night. Video excels with Full Pixel Readout without pixel binning, a 4K-optimized sensor and uncompressed 4K output via HDMI.

The Sony Alpha a7S Mirrorless Digital Camera features a full-frame 12.2MP Exmor CMOS sensor and BIONZ X image processor to enable notable video and still image quality with an expansive dynamic range, low noise, and extended sensitivity to ISO 409600. At the sensor level, this full-frame sensor features a unique on-chip gapless lens design, which incorporates small lenses between neighboring pixels in order to increase light-gathering efficiency and promote greater image quality across the entirety of the sensor plane. The sensor and processor combination also avails a wealth of speed throughout the camera system, including a top continuous shooting rate of 5 fps, support for 4K video recording, and a fast 25-point contrast-detection AF system with sensitivity to -4 EV.