Blue Emperor Blue Emperor, Tenerife, Spain, August 2, 2023Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-500; f/10; 1/800 sec. -0.3 exposure bias This page is for the Blue Emperor dragonfly (Anax imperator). Blue Emperor, Tenerife, Spain, August 2, 2023Canon EOS R5 with Canon 100-500 mm L-series lens with 1.4x Teleconverter; 700 mm; ISO-400; f/10; 1/800 sec. -0.3 exposure bias