Mirror Lockup on T-90

Is it possible to get my T-90's modified such that they would have some kind of mirror lockup system? Preferably a manual turn-the-crank kind of thing.

If it is possible, is it practical? As much as I would like to see this happen, their are $$limits (within reason) and I would not like to see to many of my currently available functions disappear.

Who would do it and where? Naturally Canon is no help since such a modification would not put any $$ into the Canon treasury.

I posted this message a couple months ago but had difficulty returning to this site until now. Thanks for any help you can give me!

T/90 was not designed for such modification and it would be a

formidable challenge. I doubt anyone at any earthly price will attempt

such a job because of the special nature of the half silvered center

center of the mirror, the way the light path works for spot metering

and probably other technical considerations. A practical and even more

useful idea is to buy a Canon F-1n body used as your mirror- lockup

body. Or a working model of the Canon EF. Both of these Canon

models,and the earlier FT series had simple to use mirror lockup with

a flick of a lever,along with other good features, use all the FD

lenses. These older camera bodies are plentiful on the used market and

affordable, in the$ 200-300 range lately. For a few hundred more,

consider a new F-IN body.

As to the last answer: the F-1N does NOT have mirror lock-up!

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Cheers, Hans