Accessory · 2016– Vixen Reducer HD (AX103S/VC200L) Vixen Optics · Reducer HD (AX103S/VC200L) Key specifications Accessory typeFlattener/Reducer All specifications Compatible withAX103S; VC200L About 0.77x focal reducer for the AX103S and VC200L; wider field with AS coatings.