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I bought my vipers from hardstalk as well. He's great to deal with. I really like my 10x42 viper HD's. They are so bright and clear and they carry very well on a chest harness. Right after I got them I watched some whitetails that were herded up and I could easily see forked horns on small bucks at 450 yds. I also used them at a local 3d archery shoot and I could easily see the scoring rings on the targets in the shadows. I am very happy with them and can't wait to get out west to give them a work out.