Damo.Lo Posted August 6, 2022 Share Posted August 6, 2022 Hi All I don’t know if this is already something that is spoken about or used, but I have realised today a great way to have a good look at your fish as they swim past in the tank is using a fresnel lens (Magnifying sheet/Paper) I use the credit card style one and it makes seeing fine details so much easier. You can get large A4 size as well 7 Link to comment Share on other sites More sharing options...
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