I keep seeing 40×60, 12×50 and 10×50. What do they mean and what would be the better option for different applications?
In: Technology
The first number is the magnification…how much bigger it makes things look.
The second number is the size of the main lens, in mm. That measures how much light the binoculars are gathering, which helps with having both a bright and sharp image.
The second number will dominate the size/weight of the binoculars. If you want something that fits in your pocket you don’t want 100mm lenses. But if you want to see things at night you do want big lenses (more light).
The magnification all depends on what you want to look at…are you looking very far away at tiny things? Big magnification. Do you just want to look at ships a mile away? Maybe 10x is fine.
High magnification with small lenses will be dark and fuzzy. Low magnification with huge lenses is kind of overkill…it’ll look really good but it’s not really helping. You need a balance.
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