Error 99 when using Tokina 12-24 lens

swingking

Any solutions to fixing this problem.

It comes up as error 01 on my 450 and error 99 on my Canon 20d. I really hope there is something that can be done to fix the lens because it's probably my favourite lens

jpb1974

Cleaning the contact points on the lens is usually the first port of call when this issue occurs.

More info here (http://www.richardsnotes.org/archives/2005/04/29/50mm-lens-contact-points/)

swingking

what do I clean the contacts with. Obviously not water

jpb1974

A pencil with an eraser on top.

Refer to the link in my previous post.

The guy at tech support listened and then told me that the lens contacts were dirty and to get a pencil with an eraser on the end, just a regular old pencil with a red rubber eraser. Detach the lens from the camera, hold it so that the lens’ gold contacts are pointing down and lightly erase their exposed surface, cleaning them of any hand oil that might have gotten on them.
Do the same thing with the gold contacts inside the camera body. This is a bit harder but it’s doable: just hold camera so lens opening points down so no gunk falls in. Erase lightly. I used a lens cloth and dabbed at the contacts rather than blow them so as not to blow the erasings inside the camera.

There is also some other info in this article to other things you can try (removing batteries, formatting memory cards etc). Have a read.

swingking

Oh sorry I missed the link. Thanks I'll give that a go

swingking

cleaned the contacts as it says in that link. What i'm wondering is why is it a different error code for 2 separate Canon cameras Error 01 on 450d; error 99 on 20d.

jpb1974

cleaned the contacts as it says in that link

Did it work?

hbr

swingking wrote: »

What i'm wondering is why is it a different error code for 2 separate Canon cameras Error 01 on 450d; error 99 on 20d.

Just continuing the great tradition of meaningless error codes

magicbastarder

error 99 just means there's a chunk of cadbury's flake stuck in the lens.

swingking

it works sometimes. It's very tempermental which can't be good