2, shutter 2000 then, and new machine is about the same.
3, E410 is not capable of video recording.
4, E410 belongs to the Olympus portable SLR. The advantage is compact, the disadvantage is no anti-shake. At ISO400 or below, the picture quality is not bad.
5, when buying a second-hand camera, pay attention to: the appearance of the obvious lack of limitations, lens mold, whether or not repaired, whether or not in the warranty period, CMOS \ccd\lcd on the obvious bright spots or bad spots, try to take a picture of whether or not it is clear, whether or not the accessories are complete, whether or not the number of shutter is consistent. It is best to check the machine before payment, such as the use of Alipay or the same city transaction.