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Thursday, 12 September 2013

Canon sensor captures fireflies at night

Canon has captured video footage of Yaeyama-hime fireflies flying in darkness, a feat made possible by the high-sensitivity 35 mm full-frame CMOS sensor developed by Canon for video capture that was announced in March 2013.

The high-sensitivity, low-noise video-shooting capabilities of the dedicated 35 mm full-frame CMOS sensor for Full HD video capture were made possible not only through the integration of the high-performance sensor technologies employed in Canon's digital SLR cameras, but also through the incorporation of new pixel and readout circuitry technologies that reduce noise.

Using a camera prototype equipped with the CMOS sensor Canon, in cooperation with Zero Corporation succeeded in capturing video of the Yaeyama-hime fireflies that inhabit Japan's Ishigaki Island, located off the northeastern coast of Taiwan. No artificial lighting was used during shooting, which took place after sunset amid the island's mountains.

Despite an exceptionally dark shooting environment of less than 0.01 lux, a level in which the naked eye would have difficulty discerning surrounding objects, the CMOS sensor was able to capture not only the color of the light emitted by the fireflies, each of which measures only a few millimeters in length, and their movements, but also the surrounding vegetation in which the species lives.

In addition to astronomical and natural observation, Canon is looking into applying this CMOS sensor to medical research purposes as well as surveillance and crime-prevention equipment. Through the further development of innovative CMOS sensors, Canon aims to expand the realm of photographic possibilities while cultivating the world of visual expression.

An excerpt from the video of the Yaeyama-hime fireflies can be seen here.



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