The Tomo-e Gozen camera is the world's first wide-field CMOS camera. All of the focal plane area of the Kiso Schmidt telescope, 9 degrees in diameter, is covered by 84 chips of 35 mm full HD CMOS image sensors.
Camera performance is listed in Table 1.
|Field of view||9 deg in diameter|
|Sky coverage||20 deg2|
|Frame rate||2 frames/sec (max)|
|Pixel size||19 microns/pix|
|Pixel scale||1.198 arcsec/pix|
|Sensor type||Frontside illuminated CMOS image sensor|
with microlense array
|Sensor format||35 mm full HD, 1k x 2k pix2, 84 chips|
|Sensor readout||Rolling readout, Partial readout available|
|Filter||SDSS-g, Johnson-Cousins I|
Optical wide-field and high-cadence surveys will begin from 2018 with the Tomo-e Gozen camera. Detection of rare and fast time-variable phenomena never found before are expected in these surveys.