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New Canon Ultra Large Scale CMOS Sensor Developed

New CMOS sensor from Canon makes possible wide field-of-view video recording of meteors with equivalent apparent magnitude of 10.

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Canon's Ultra Large Sensor
Canon's ultra large scale CMOS sensor next to a 35mm full frame CMOS sensor.

A new ultra large scale CMOS sensor from Canon makes possible wide field-of-view video recording of meteors with equivalent apparent magnitude of 10.

From Canon: Canon have announced that an ultra-large-scale, ultra-high-sensitivity CMOS sensor developed by the company has enabled the video recording across a wide 3.3° x 3.3° field of view of meteors with an equivalent apparent magnitude of 10. The sensor, with a chip size measuring 202 x 205mm, the world's largest surface area for a CMOS sensor, was installed in the Schmidt telescope at the University of Tokyo's Kiso Observatory, Institute of Astronomy, School of Science (Kiso-gun, Nagano prefecture).

With a chip size of 202 x 205mm, the ultra-large-scale, ultra-high-sensitivity CMOS sensor, developed by Canon last year, is among the largest that can be produced from an approximately 300-mm (12 inch) wafer. The device is approximately 40 times the size of Canon's largest commercial CMOS sensor and makes possible video recording in dark conditions with as little as 0.3 lux of illumination. In January this year, the CMOS sensor was installed on the focal plane of the Kiso Observatory's 105 cm Schmidt telescope and used to record video at approximately 60 frames per second, resulting in the successful video recording of faint meteors with an equivalent apparent magnitude of 10 across a wide 3.3° x 3.3° field of view.

Detecting faint meteors with apparent magnitudes greater than 7 has proven difficult using conventional observation technologies, with sightings of meteors with an equivalent apparent magnitude of 10 limited to only 10 per year. However, video recorded using the ultra-large-scale, ultra-high-sensitivity CMOS sensor, combined with the Schmidt telescope, which enables observation across a wide field of view, yielded a one-minute segment during which more meteors with an equivalent apparent magnitude of 10 could be detected than could previously be identified during the span of a year.

Statistical analysis of the video data could lead to an increased understanding of the influence that meteors may have exerted on the development of life on Earth.

Additionally, because the combination of the CMOS sensor and Schmidt telescope facilitates the highly efficient investigation of objects traveling at high speeds across the sky, it makes possible the detection of an increased number of celestial phenomena in addition to meteors, such as space debris and heavenly bodies moving in the solar system. Accordingly, the technology is expected to contribute to improved measuring accuracy in determining the position and speed of these objects.

Through the further development of distinctive CMOS image sensors, Canon will break new ground in the world of new image expression, in the areas of still images as well as video.

The results of the abovementioned observations will be presented at the Astronomical Society of Japan's autumn 2011 meeting, which will be held from September 19 (Mon.) to 22 (Thu.) at Kagoshima University in Kyushu, Japan.

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JackAllTog Plus
10 5.5k 58 United Kingdom
20 Sep 2011 2:19PM
Wow, what's the ISO go upto on this little sensor.
I also wonder how many wafers they had to make before they got a usable one with no/few defects.

Now how do i attach my ef-s lens to that Wink

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MikeA 14 1.3k England
21 Sep 2011 11:30AM
A bit on the large size for backpacking.
oldblokeh 8 1.2k United Kingdom
21 Sep 2011 1:58PM
In Schmidt camera mode that telescope is a 3300mm f/3.1, so it's quite a fast instrument. Even so, magnitude 10 at 60 fps is quite an achievement. The faintest stars you'll see with the naked eye in an urban environment are about magnitude 4. That's 250 times brighter, or about 8 stops. The higher the magnitude number the fainter, for those not familiar with astronomical stuff.

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