On the third and last full day of the HPA Tech Retreat in Indian Wells, California, a panel of imaging experts drilled down into some of the more esoteric topics related to 4K and digital acquisition. Among the topics addressed were sensor-lens options for 4K acquisition; solar activity and lit/stuck/dead pixels; design challenges of long-range zoom lenses for 4K S35 digital cameras; video/D-Cinema camera/sensor noise; the role of nonlinear coding of the TV image; and 4K, HDR and imagers. Continue reading HPA Tech Retreat: Understanding the New Digital Acquisition