Got a 10x Horizon loupe for my Arca Swiss. Somehow I assumed a 10x loupe would m agnify things, well 10 fold. When I look at some horizontal pattern (pair of lin es for example) through the loupe with my right eye and at the same time without loupe with my left eye, it appears about 2 to 3fold larger, no more. Is there s ome optical law I am missing???
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