How many times better is the angular resolution of 50mm compare binoculars to the 7mm wide eye opening?

Sharon ASKED:

How many times better is the angular resolution of 50mm compare binoculars to the 7mm wide prescription drugs online without a prescription eye opening? and also how many times more light does it gather?

Reply:

Seven times the diameter means 49 times the area, which means 49 times the light gathering ability. Seven times the diameter also means seven times the angular resolution.

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