Panasonic loomis? DMC-G3 has three bright spots. First, it improves the image quality. It is said that it is almost close to Panasonic DMC-GH2；; ; Second, ultra-high speed contrast focusing. Panasonic loomis? DMC-G3 also inherits the advantages of Panasonic GH2 high-speed focusing. With 14- 140mm lens, the fastest focusing speed can reach 0. 1 sec, which is the reapplication of "the fastest AF in the world" officially declared by Panasonic GH2 when it was announced last year. Third, the lighter fuselage design. Contemporary Panasonic loomis? Compared with DMC-G2, Panasonic Lumix? DMC-G3 is lighter, and its body size is reduced by nearly 25%. Its body size is115.2× 83.6× 46.7mm, and its weight is only 336g. At the same time, Panasonic loomis? DMC-G3 is made of aluminum and has four fuselage types, including black, red, brown and white. Panasonic loomis? Compared with the previous generation G2, the biggest change of DMC-G3 is the change of fuselage appearance. We noticed Matsushita loomis? The DMC-G3 handle has been redesigned with a thin rubber coating. Panasonic loomis? DMC-G3 and Panasonic Lumix? The design of DMC-G2 is basically the same, but there are some differences in individual buttons, such as Panasonic Lumix? DMC-G3 adjusts the recording key from the top of the fuselage to the right side of the viewfinder, replacing the previous generation AF/AE lock key; Finger wheel is relatively small; Integrate the quick setup key into the key below the five-dimensional key. Generally speaking, Matsushita loomis? Compared with the previous generation, DMC-G3 has fewer buttons, and there are more buttons in the display screen than external buttons, which reduces the efficiency to some extent.