First of all, this is not night vision. It has some lens calculation to make it look better in low light. Don't watch at night. It's also a label. 30-60 should be magnification 30, front lens diameter 60. That means length. But what I like is that it is very compact and easy to fold and slip into your pocket. It's easy to focus. In general, it's worth the money spent on it. Comparable to 8x20.
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