Table 11 Measurement results of internal orientation elements

From: Mars Mineralogical Spectrometer (MMS) on the Tianwen-1 Mission

Parameter V-NIR N-MIR
Principal point position Sample 207 Sample 205
Principal distance (mm) 51.940 49.942
IFOV (mrad) 0.501 0.502
TFOV () 11.950 11.981
Lens distortion \(\Delta y = - 8.814\mathrm{e} - 5i^{2} + 0.03989i - 4.547\) \(\Delta y = - 8.776\mathrm{e} - 5i^{2} + 0.03959i - 4.416\)