Night photography is about to be a lot more exciting, as Canon has announced the mass production of its latest innovation which would start by the second half of 2022.
Currently, night photography requires a lot of equipment, light setup, and techniques to achieve a positive and desired result. However, it is only favourable to still pictures and not video footage.
By and large, a CMOS image sensor is utilized by digital cameras. It changes over the power of light recorded into electronic signals. Photographs created rely upon how much light is accessible during photography.
Canon’s new image sensor has employed the SPAD technology, which requires only one-tenth of brightness by the image sensor. It has 3.2 million pixels that enable high image clarity. With less or no light, colour images are captured in high quality. Unlike the CMOS sensor, the SPAD sensor converts photons to electric signals.
Also, the SPAD image sensor produces high image quality in the dark. It can also calculate the distance between objects and the time taken for light to reach the object. It can be used in security system cameras, AR and VR devices, robots, and automated cars.
Initially, the SPAD sensor was invented in 1970, and it was not extensively used because of its minimum image resolution. It was difficult for the sensor to identify electric signals because of the small size of the SPAD sensing site, causing each one to receive a little or no light at all.
The SPAD sensor accomplishes excellent execution in three distinct measurements:
LOW NOISE; The SPAD sensor is less susceptible to noise because they intensify the signals from each proton.
HIGH-SPEED DETECTION AND SENSITIVITY; the SPAD sensor is able to do incredibly high data handling speeds fair and square of 100 ps, empowering it to catch objects moving at high velocities, including photons.
NEAR-INFRARED SPECTRUM SENSITIVITY; the greater the PDE, the wider the range of light that the SPAD sensor can capture.
According to the Nikkei Asia report, Canon will commence commercial mass production and manufacturing for the new sensor from the second half of 2022 and launch security cameras in 2023.
However, other Optical products companies like Panasonic and Sony, also set to release their SPAD sensor tech in the market this 2022. Canon, in their report, has claimed to be at the top of the competition.
CMOS – Complementary Metal-oxide Semiconductor.
SPAD – Single-photon Avalanche Diode.
AR- Augmented Reality
VR – Virtual Reality
PDE – Photon Detection Efficiency
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