How do you clean the viewfinder?

My 40D has some visible specs in the viewfinder, mainly two fibers of some kind (or hair?). Going in and carefully messing with it shifted the fibers (so I know it's not scratches or something) but didn't get them out.

It's no big deal but there must be a way to clean it?

A rocket blower pointed into the camera does the job!..if not..maybe just softly blow into it and check and see if the dust/hair was blown off the focusing screen.

uOpt,

I would try to rocket blower first, and if the stuff is still in the viewfinder, remove the focusing screen along with blowing it out. Be careful with the focusing screen - I would blow it off too - not wipe it!

I've got the same problem, and blowing doesn't work. Any directions on how to remove and clean screen?

Thanks...

I tried blowing before, didn't work. I think there is electrostatic adhesion.

How much is the image sensor exposed to this area? Can I damage the sensor or make it dirty by poking around with -say- a Q-tip with naphtha?

SS308 wrote in post #10990970
I've got the same problem, and blowing doesn't work. Any directions on how to remove and clean screen?

Thanks...

If you WIPE it with anything it will SCRATCH it, A mentioned earlier use a rocket blower or take it out and use the blower.

uOpt wrote in post #10991029
I tried blowing before, didn't work. I think there is electrostatic adhesion.

How much is the image sensor exposed to this area? Can I damage the sensor or make it dirty by poking around with -say- a Q-tip with naphtha?

The sensor is covered with the mirror when looking through the viewfinder, yes a q-tip will scratch it up so bad you can't see through it clearly.