On a sunny day October 3rd 2013 we took the Canon PowersHot SX50 Hs outsideto make a range test. 1200mm optical x 4 digital (=4800mm Tele)1200mm optical x 2 digital (= 2400mm Tele)1200mm just optical (best Quality in 1200mm Tele=and zoomed down to 24ww wide angleThe stabilizer of the Camera ist just great !!! but we were using a light tripod for the test