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Table 1 Characteristics of UVI

From: Ultraviolet imager on Venus orbiter Akatsuki and its initial results

Observation target Solar radiation scattered at cloud top
Optics design Camera with off-axial catadioptric optics
Observational wavelength 283 and 365 nm
Field-of-view 12°
FOV per pixel 0.20 mrads
Spatial resolution ~ 200 m (periapsis)–76 km (60Rv)
Optics
F-number 16
Focal length 63.3 mm
Aperture size 39.89 mm (hood entrance)
Bandpass widths of the filters 14 nm
Detector
CCD SiCCD (back-illuminated and full-frame transfer)
Pixel number 1024 × 1024 pixels
CCD control
Exposure time 4 ms–11 s
Data depth 12 bit
Weight (kg)
UVI-S 2.9
UVI-AE 1.2
Size
UVI-S 199 mm × 206 mm × 376 mm
UVI-AE 220 mm × 220 mm × 50 mm
Power (W)
Stand-by mode 17
FW movement mode 34
Observation mode 19