I am slightly long sighted and want to know how to set up a VF-2. How do I go about this? With the screen and my glasses on I am constantly peering over the glasses at the target, then down through the glasses at the screen to get focus. If I use a view-finder, my problem with be how to know when the diopter adjustment I make matches the actual real image! I hope that makes sense, I just don't want to be stuck with using the screen in the field with all sorts of glare and such making life difficult.