riflescope cutaway inside view mechanical optics glass aluminum

The Variable-Power Optic: History & Performance

When it comes to riflescopes, variable-power units have become almost ubiquitous. To better understand variable scopes—and how to use them properly—you need to know how they work.

Optical Coatings

Today’s binoculars, spotting scopes and telescopic sights are the best that have ever existed.

Interests



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