Samsung's 0.5μm 200MP CIS periscope zoom sensor with triple-stacked double-layer transistors is a significant breakthrough in smartphone camera technology.

**Smaller pixel size**

The sensor's small pixel size of 0.5μm allows it to fit more pixels on the same surface area, resulting in a higher resolution image. This is important for periscope zoom sensors, as it allows them to achieve a higher zoom factor without sacrificing image quality.

**Triple-stacked double-layer transistors**

The sensor's triple-stacked double-layer transistors improve light sensitivity and reduce noise. This is important for low-light photography and videography, as it allows the sensor to capture more light and produce clearer images.

**Periscope zoom**

A periscope zoom sensor uses a prism to bend light, allowing the sensor to be placed horizontally inside the phone. This allows for a much longer focal length, resulting in a higher zoom factor without the need for a bulky camera bump.

**Performance**

Samsung claims that the new sensor offers "extremely powerful" performance. This is likely due to the combination of the small pixel size, triple-stacked double-layer transistors, and periscope zoom.

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