Archived posting to the Leica Users Group, 2003/02/22
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I have a 28 year old Nikomat EL, with AE, electronic shutter, and one manual speed. Its had one CLA service in its lifetime, lots of abuse, and is still going strong. One would hope that the M7 would be at least as durable over time as the first electronic shutter Nikon. Patrick - --- Javier Perez <summarex@yahoo.com> wrote: > I'm not sure what's inside an M7 but it can't be > much > in terms of circuitry. It's also quite probable that > the circuitry will outlive the mechanicals by 10 to > one. Only the electrolytes can cause trouble but > most > cameras today use few of these and speed is quartz > xtal regulated. I have seen crystals go bad but it's > rare and they are generic. If you are really scared > of > not being able to use your m7 30 years from now get > a > spare circuit set or 2 instead. If film still > exists > in 2032 you'l be all set. > > Javier > > --- Mike Durling <durling@cox.net> wrote: > > It will be THEORETICALLY possible to create a > > circuit in the future that > > will emulate one that used obsolete components. > > Whether it will be > > practical to reverse-engineer something like an > M7's > > shutter circuit is > > another thing altogether. > > > > People do this now with the original Nintendo game > > system. They stuff a > > small general-purpose computer into the old case > and > > run emulation > > software. Why they do this is another question, > > since the part that > > wears out on a Nintendo, its cartridge connector, > is > > available as a > > replacement item. > > > > All this being said, I agree that it is, and will > be > > for the forseeable > > future, easier to cut a gear. > > > > Mike D > > > > Frank Filippone wrote: > > > Sal.. the issue is NOT the circuit boards... it > is > > in the IC's ( chips) that > > > are mounted on them. When they are no longer > made > > by the IC companies, > > > there are no more. ( assumes stock is also used > > up.) > > > > > > Austin may correct this, but the IC processes > have > > moved forward so quickly > > > that in 5 years, most if not all the older > process > > chips would be un > > > manufacturability. Yes, inventories exist of > > these chips, but again, when > > > they run out, that is it. Your M7 shutter might > > as well be a door stop. > > > > > > It is not a matter of desire to support > customers, > > it is the ability to get > > > the parts that is the problem. > > > > > > Long live the M1,M2,M3,M4,M5,M6! All-Mechanical > > shutters rule! > > > > > > Frank Filippone > > > red735i@earthlink.net > > > > > > > > > -- > > > To unsubscribe, see > > > http://mejac.palo-alto.ca.us/leica-users/unsub.html > > > > > > > -- > > To unsubscribe, see > http://mejac.palo-alto.ca.us/leica-users/unsub.html > > > __________________________________________________ > Do you Yahoo!? > Yahoo! Tax Center - forms, calculators, tips, more > http://taxes.yahoo.com/ > -- > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html __________________________________________________ Do you Yahoo!? Yahoo! Tax Center - forms, calculators, tips, more http://taxes.yahoo.com/ - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html