Not sure what you mean by this query - if you are asking if they have a viewfinder, it depends on the make and model. Do some research via Google, see if you can find one suitable for your needs.
I'm sure you do, but, as you have given us absolutely no information about the equipment for which you require this, we are unable to help you, I am afraid.
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If you tell us the make and model of the equipment, together with the settings and circumstances under which this occurs, someone here may be able to help you.
Whatever this is, it doesn't sound as if it is anything to do with camcorders. If I am incorrect, please let us know the make and model of the camcorder. Thank you.
Spec list from CNET :
Panasonic PV GS29 Specs
As you can see, it has both USB and Firewire connections - or else you could just remove the SD card and put it in a card reader.