The optical system of LAMOST consists of a reflecting Schmidt correcting plate M A and a spherical primary mirror M B . Both M A and M B are segmented mirrors. Each segment is a hexagonal sub mirror with a 1.1 m diagonal.

• LAMOST的光学系统由反射施密特改正板MA 和球面主镜MB 组成 ；MA 和MB 均为对角径 1 .；1m的六角形子镜的拼镜面