OPTICAL IMAGE STABILIZER (LOCK SWITCH PROVIDED); 50MM OBJECTIVE LENS; OBJECTIVE LENS INCLUDES A UD ELEMENT; DOUBLET FIELD FLATTENER LENS; SUPER SPECTRA COATING; WATER-RESISTANT, ALL-WEATHER DESIGN; RUBBER SKIN FOR SECURE GRIP; CLOSEST FOCUSING DISTANCE OF 19.7 FT; INCLUDES CASE, NECK STRAP & 2 AA ALKALINE BATTERIES