Understanding Lens Coatings and Optical Glass
Two scopes with the same magnification can look completely different. The reason is usually the glass and its coatings. Here's what to look for.
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Field Notes
Product guides, equipment care and buyer education from the D&R team.
How to Choose Scope Rings: Height and Diameter
Rings look simple, but the wrong diameter or height ruins an otherwise great scope. Here's how to get both right.
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Fixed vs Variable Magnification Scopes
A variable scope does more, but a fixed-power optic does less and does it simply. Here's when each is the smarter choice.
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