APEX SPECIFICATIONS airborne (dispersive pushbroom) imaging spectrometer with 1000 pixels across track (FOV ± 14 deg, IFOV 0.48 mrad) ground resolution: 2 - 5 m at flight altitudes of 4 - 10 km spectral wavelength range covering 380 - 2500 nm (VNIR and SWIR) > 110 spectral bands between 380 nm and 1000 nm (VNIR) > 190 spectral bands between 900 nm and 2500 nm (SWIR) spectral sampling interval < 10nm (560-780 nm: < 5nm) spectral resolution < 1.5 * spectral sampling interval radiometric accuracy ≤ 2%, traceable to international standards highest signal to noise ratio through advanced detector technology and pressure/temperature stabilization