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New Delhi: Sony has recently announced its first LOFIC image sensor, the Lytia 910. LOFIC (Lateral Overflow Integration Capacitor) solves the issue of photodiodes becoming saturated by too much light by placing the capacitor next to each diode. This significantly increases the full well capacity of each pixel. According to the company, the Lytia 910 will have a 100dB of dynamic range with a single exposure.
Sony Lytia 910 supports Triple Conversion Gain HDR. This actually means that each of the pixels is read three times with the low, mid, and high conversion gain. Then the three readouts are combined into a single HDR image.
This sensor avoids the common issues with the multi-frame approach to HDR, things like motion artifacts. It actually takes only one exposure, but it gets three readouts from it. This is great for the HDR video too, the latest sensor will be able to capture 4K 60FPS HDR video. LOFIC sensors are also going to be less susceptible to flickering light sources.
There are Ultra High Conversion Gain circuits on the sensor, which kick in when there isn’t enough light. Sony stated that these help to reduce the random noise by around 30%. Sony Lytia 910 is a 1/1.28 sensor with 50MP resolution, and it has a Quad Bayer filter.
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