That's 4 years that he works without a fart. He is well ahead of the new devices that merely add gadgets work rather than the quality of images. advantages: superb image quality even after 4 years. Which is rare nowadays. Fluid and beautiful dive Films. Disadvantages: In the long lens makes impossible to remove dust except by a pro. The wheel turns too easily. Latency and starting a little lengthier reports to the new compact to super telephoto lenses.
