I bought this from Revain stock and the first thing I did was go through the instructions to check that the level was accurate to 180 degrees. I couldn't find the tool needed for the adjustment (I later found it buried under the foam), but I had a spare. It was 5/8 inches over 30 feet so it was very accurate after I corrected it. I put some markers on the power poles from the checkpoint and after an hour I was able to return to the spot and hit it right. The device is better than what I need for my use, but the stock price was too attractive, it doesn't have enough magnification for more than 100 meters, at least not for me, very satisfied!
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