The first domestic 25X/1.05NA near-infrared immersion objective lens with high transmittance covering the ultra-wide spectrum of 400-1700nm; suitable for infrared two-region fluorescence wide-field imaging of living biological tissues and isolated cultured living cells and multiphoton imaging, taking into account the depth of the imaging and high resolution; equipped with a powerful aberration compensation device, which can be used to compensate for the spherical aberration changes occurring at different temperatures and in different observation depths. Compensate for changes in spherical aberration at different temperatures and different observation depths;