A 2x teleconverter that maintains full G Master performance. Full optical quality and operability are retained, offering outstanding performance for sports and wildlife photography in a compact, lightweight kit. Multiplies focal length by 2x with only a 2-stop light loss....

Full optical quality and operability are retained, offering outstanding performance for sports of wildlife photography in a compact, lightweight kit. Multiplies focal length by 1.4x with only a 1-stop light loss.