Fig. 1. PNVG and standard form NVG

Fig. 2. Inclination of panoramic night vision goggle

Fig. 3. FOV of standard form NVG and PNVG

Fig. 4. Schematic of image continuity

Fig. 5. Test schematic of FOV of PNVG

Fig. 6. Test system of FOV of PNVG

Fig. 7. Images of the edge of the field of PNVG

Fig. 8. Assessment of image discontinuity of PNVG

Fig. 9. Target pattern of image continuity

Fig. 10. Adjusting method of image continuity