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January 2, 2018
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Humidity is the amount of water vapor present in the air. Moist air is less dense than dry air, so if you go from a desert climate to an area with high humidity you can actually expect your point of impact to rise. The rule of thumb is to expect about a 0.5 MOA change for every 20 percent change in humidity. But that’s only if you don’t have a TrackingPoint product. TrackingPoint’s optics automatically adjust settings to account for humidity so you don’t have to worry about adjusting yourself.

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