How to Select a Scope ~ Light Gathering and Adjustable Objective Issues

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Gunblue490

Light gathering is a huge selling point that is fogged with half-truths and misunderstanding. Fortunately, the light gathering capacity of lenses is a very well and long established science that far predates the first rifle scopes. This video will explain in detail how "light gathering" has been measured in the industry, by simple numbers. I will also explain what Adjustable Objective is, when it's needed, and when it isn't.

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