I had previously used a couple of Amcrest IP2M-841B (inside) cameras outside to watch wildlife. They were sheltered from rain but high humidity and fog frequently got them quite wet. I retired them after about 6 months and tonight I played with them and found 1 of them to be to blurry to use for anything other than a paper weight. I cleaned the lens with alcohol and window cleaner but it did nothing. As a last resort I dabbed a drop of "CLR" calcium and lime remover on the lens and let it sit for a couple of minutes before washing it off. To my amazement it worked like a champ. Thought I would share in case that this trick may help someone else. I enclosed before and after pics that I captured from BI afterwards.
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