Anybody use flipup binoculars as part of regular flight?

http://www.harborfreight.com/cpi/cta...70&r=3756_5796

I will be joining the RC airplane world for the first time after I get back from the holidays. Have on order the EDF F-35 foam plane that's presently on sale at nitroplanes. Been playing with RealFlight G4 all during my Christmas break and having good success so decided to skip the newbie slowpoke planes and go for a fast one!

One thing I noticed was that the RealFlight simulator does automatic zooming of the camera. This has been so useful for flying far of course. The F-35 that I have on order is not that large so I was thinking of getting this type of flip up binocular (see link above) in case of that "panic" situation where a sudden gust of wind and/or pilot disorientation takes the plane just out of visual range where it cannot be brought back except by luck.

This pair of inexpensive binoculars could end up being some cheap insurance against losing a plane that is beyond visual range. The one problem I can tell right away is that the 6X magnfication of this unit might actually be too much. If I flip the binoculars down, the sudden change in field of view can make it difficult to visually "reacquire" the plane at distance even though the magnification is more than sufficient. Unfortunately, this model does not have adjustable zoom. I would buy it right away if it had adjustable zoom so am reluctant to do so unless I hear of people actually having use for this in real-world RC flight conditions. Anybody know of such a model? I would keep the binoculars at say 2X zoom and acquire the plane. Then manually swing the zoom up to 6X as needed to fly the plane back.