Originally posted by Johnny Rod Is it worth replacing the foam under the top cover? Or just cover the area with some black electrical tape to insulate it against the metal cover? I think the foam in my MX is in poor shape under there but I've done nothing with it yet.
The foam will either go to dust or goo.
Either can cause damage it is best to read the link and remove old foam and either
Get a repair person to replace.
Or
DIY
Removing old foam is time intensive and repair person will charge
Some of the Pentax cameras seem to get damage to the prism coating from foam as well.