Hugo Lopes wrote:
> I don't know if this really has much to do with tolerances. After
> exchanging a few mails with Jonathan Kwok, I came to the conclusion that
> the off-centered focusing points might well be poor quality control. I
> used the angle finder B and the close-up loupe, both with adapters,
> with my EOS 5 and never experienced the problems mentioned with the
> angle finder C. I've never used any other system except Canon, but my
> friends who use other camera systems have never complained about such
> problems. Maybe they also exist, but it seems, to a lesser extent.
> Regarding tolerances, I've worked with them for a few years in a metal
> machining facility. I know that the smaller they are the harder and more
> expensive it is to acheive them. However, if something like the new
> focusing system of the EOS 3 and 1V required these small tolerances to
> work properly, Canon should have thought of it before making the
> cameras. It seems that they didin't foresee these problems. For me it is
> not acceptable to make a camera that has flaws that disturb the user
> even though the camera works well. Its a bit like having a car with a
> square weel. It works just like any other car, but the driver is
> disturbed by it. Anyway, that's my opinion.
>
I can imagine that tolerances can disturb you as a user. Still an accesoire
like the Angle-finder C has to fit to all camera-body's made by Canon for
the past 20 years or so. This is often not the case with other brands. This
means that the tolerances on the adapter can't be to small. Ofcourse the
tolerance between the adapter and the angelfinder can be less, because it
only has to fit to the angle-finder C.
Take also in account that Canon-development has to make decission on how far
to go with things like tolerances and the effects on the production and use
and feeling and price of the product. You can never satisfy everyone. Yes,
being a product-developer is a hard job ;-).
Drikus.
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