Bison - Using a 1.7 TeleconverterMoffatChristmas (13 of 21)MoffatChristmas (15 of 21)Using 1.7 TeleconverterTurtle Stack - Using a 1.7 TeleconverterPelican and TurtleBald Eagle - Using a 1.7 TeleconverterGolden EagleJoseyPrint (1 of 1)What the heck is this thing?