Panasonic LEICA DG VARIO-ELMAR 100-400mm F4.0-6.3 II ASPH./POWER O.I.S. H-RSA100
Angle of view: W (f=100mm): 12° - T (f=400mm): 3.1. Mount Micro Four Thirds. F-number 4F value W end. 6.3 F value T end. φ83.0 mm x 171.5 mm 2. Weight 985g Excluding lens cap, lens rear cap, and external tripod mount.