This is a racing machine, the intuitive interface that inspires confidence. This new housing will correct weaknesses of K5: Managing the development, definition of images produced. Once the parametric system, waste for lack of sharpness is very limited. The system is an amazing low-light sensitivity: I could even get a tune reliable point on the planet Jupiter and record four satellites with the Pentax DA * 60-250mm zoom SDM f / 4. It's pretty amazing! The resolution gain 24 Mega pixel gives new life to the objectives (except the unfortunate 18-55 with no interest on such a machine). This appliance to robust construction / tropicalized reacts reliably. Point negative user's manual is printed in a microscopic format! virtually unusable without magnifier. It is better to download a PDF version that increasingly allows keyword search, it's much more convenient. This device does not have much to envy the competition. Its use provides a real pleasure to the photographer.