there is no maximum... the shutter will only fail when its time to fail, only thing you can do is to replace it (not very worth it if you dSLR is entry level)
and why bother about that anyway? just go shoot happily :thumbsup:
actually its pretty much true. if yours cam is like d50, and by the time the shutter fail (normally it takes roughly 2yrs+ depending on usage) the camera will only worth somewhat $500 if you selling 2hand(with working shutter). and replacing the shutter will cost you around $200 which makes it not very advisable.
if im the one i will rather pay more $ to get the newer dSLR with much better function (its 2yr+ later!)
So far, Canon officially states the shutter count for certain models eg: 30D, 5D and ID MKII. I'm not sure of the other brands. Unless if you clock a couple of thousands frames in a week, else I won't worry about it.
Yupp. Agree with westwest1. Electronic equipment's 'shelf life' are very subjective. depending on the usage pattern and how well you actually take care of it.
Mean Time Before Failure (MTBF) is used in the industry as the test they do are accelerated testing. For example, some printing media says it can last more than 70years. But they do not normally do testing for a period that stretches 70years, but adjusting the variables like amount of light exposed, dust and other constraints.
A shutter count of >50000 should be expected for entry level systems. If you click 2000 a month, it takes about 2 years or more to hit 50000. By then, its high time for a new system. hehe!