A reserve price is the minimum price the seller will accept. This price is hidden from bidders. To win, a bidder must have the highest bid and have met or exceeded the reserve price.
Binoculars are labeled with a set of numbers such as 5x30. The first number states the power of the binocular (5x or 5 power). The second number represents the diameter of the objective lens in millimeters (30mm). The diameter of the lens determines the light gathering ability of the instrument, with the greater light gathering ability of a larger lens translating into greater detail and clarity. This is especially useful in low light conditions and at night.
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