About The Alpha a7S Iii Mirrorless CameraLet us introduce you to the pinnacle of photographic technology, the Alpha a7S Iii Mirrorless Camera. This groundbreaking device sets a new standard in sensitivity, speed, and image quality, making it an essential tool for professional photographers and videographers. At the heart of the Alpha a7S Iii lies an innovative 12.1MP backside illuminated full-frame sensor. This advanced sensor offers twice the readout speed of its predecessors, enabling ultra-clean, low-light images up to an impressive Iso 409,600. With a dynamic range of over 15 stops and a 3x reduction in rolling shutter, this camera captures every detail with exceptional clarity and precision. But the innovation doesn't stop there. The Alpha a7S Iii also features Sony's acclaimed fast hybrid autofocus system, equipped with 759 phase detection Af points.