Can anyone offer any advice on what I should look for when buying some, I don't have a clue
I've just looked at Amazon and the selection is emence and bewildering.
The prices range from £4-99 to over 5k
They all have different numbers but the number don't seem to bear any relation to the price
I just want a decent pair for under £100, that arn't huge or too heavy.
I can understand that the greater the number, the more magnification but I don't understand how the two numbers work together?
Help please
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