Short 2nd observer device with 16x eyepiece

Short 2nd observer devicewith 16x eyepiece (S01-E1 for SM-70 / 70N,SM-4 / 4N,SM-2 / 2N)

Use with SM-70 / 70N,SM-4 / 4N,SM-2 / 2N requires S11-01 or S11-02

Product Code: T01105