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Title: For Absolute Beginners Only
Review: Any compass without a sighting mirror is virtually worthless for all but the most entry level forms of navigation. This item can be used to get a general sense of direction, but not for bearings or map and compass work. (Bearings without a sighting mirror are something like +/- 5-7 degrees, which translates to many hundreds of feet error for a distant object. With a mirror and care you can get +/- 2 degrees.)If you are carrying something this big, you should expect it to be accurate enough for real navigation. If you need just general direction, there are smaller, lighter, and and cheaper items - or compass functions on watches of GPS units.
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