This package includes the fuji 50 140mm f28 wr ois xf telephoto zoom and fuji 14x xf tc wr teleconverter for fuji x compact system camera users the lens offers a versatile focal length and constant f28 aperture making it suitable for a wide range of photographic applications including sport travel wildlife and night time photography with the teleconverter attached the lens focal length multiplies by 14x from 40 150mm to 70 196mm equivalent to 107 299mm on a 35mm format