Fig. 5
From: Mars Mineralogical Spectrometer (MMS) on the Tianwen-1 Mission
Ray trace of MMS’s optics: a) V-NIR channel; b) N-MIR channel. Each channel has its own optical system, including fore-optics and spectrometer. The two fore-optics are the same. The fore-optics and spectrometer of each channel were designed individually and then integrated together