Fig. 1. Adjustable off axis two mirror system diagram

Fig. 2. MTF diagram of secondary mirror focusing at infinity position and focusing 10mm position

Fig. 3. Flow chart

Fig. 4. Measured surface shape accuracy of primary and secondary mirrors

Fig. 5. Determination of linear guide rail motion axis

Fig. 6. Schematic diagram of main mirror debugging

Fig. 7. Schematic diagram of secondary mirror installation and adjustment

Fig. 8. Wavefront aberration measurement after initial adjustment of the primary and secondary mirrors

Fig. 9. Product assembly and final wave aberration diagram

Fig. 10. Resolution map of focusing at infinity and 10 mm .