Opticron ES v4 80 GA ED/45 20-60x Fieldscope (Angled Viewing, HDF T Eyepiece)

This version of the ES v4 from Opticron includes their HDF T zoom eyepiece to make the ES v4 80 GA ED/45 20-60x Fieldscope kit so users can start observing right out of the box. When used on the 80mm scope, the eyepiece produces an impressive 20-60x zoom range with a 105-51' field of view at 1000 yards.