Re: [artshow_photo] Re:Canon lens [24-105] and camera[40D] malfunction?

One other unlikely but cheap fix is to replace the button battery. They
usually last 2-3 years.

BK

On Sun, Sep 19, 2010 at 11:14, James Parker <dakota.kid@mindspring.com>wrote:

> I had a problem in the field a couple of years back, where I was
> getting a general error. This was on a 20D body. None of the lenses
> worked -- the camera would expose, but refuse to write an image,
> instead displaying a -99 error. Tried cleaning contacts, switching
> lenses, resetting camera. Nothing worked.
>
> I called Canon's tech support. After a few minutes of conversation,
> the tech suggested switching the buffer setting from "Shoot w/o
> card" (default is Off) to On. Somehow the camera buffer had filled
> it's cache and this cleared it. Worth a shot. This command is in the
> general menu section on the 20D and the 5D. Should be the same on your
> camera. After the cache was cleared, I never had this error again. If
> you are careful, you can leave the setting to On, or switch it back if
> it solves your issue.
>
> If it is a mechanical issue with the 24-105 lens (I agree with BK that
> the whirring may be an IS or EF issue), try shooting with that lens in
> manual mode -- turn off IS and turn on manual focussing. If the camera
> still won't write an exposure, a call to Canon is in order. I've alway
> found that their pro service would get a camera fixed in about 7-10
> days.
>
> Here's an interesting article I stumbled on while looking for rental
> shops:
> http://photodoto.com/8-online-lens-rental-stores-compared/
>
> Jim Parker
> parkerparker :: design | photography
> http://www.parkerparker.info
> @dakkid / twitter
>
>
>
>
>
>
>
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