I recently used 10×40 binoculars. They weren’t powerful enough for me and I don’t fully understand those 10×40 numbers. I want something more powerful to see a bigger field of view. For wildlife, birds etc.
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The first number tells you how much bigger the image will be (magnification)… the second number tells you how big the lens is in millimeters, so yours make what you’re looking at 10x bigger with a 40mm lens…
Once you start to get bigger than that, it’ll be heavier and harder to hold still, so if you’re bird watching, I’d recommend looking into binoculars that have a tripod or mount for one
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