Brooks-Range Folding Magnifier X10
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That weak rime layer two feet below the snow's surface may or may not be getting worse. Only by pulling out the Brooks Range Folding Magnifier X10 and getting a closer look can you really tell if the crystals are beginning to bond. An essential piece of a snow scientist's kit, this magnifier unfolds and lets you get a 10X look at the snow so you can more accurately access and forecast the avalanche danger for your touring party.
This Brooks-Range 10x magnifying glass with inch and metric scales folds flat for compact storage. Uses a one-inch glass lens for distortion free viewing with inch and millimeter scales on the perimeter of a 1-inch square viewing area. Opens to 1.875" x 1.5" x 2.25" (4.76 x 3.8 x 5.7 cm), or folds down to just over half-inch high.