For decades, the venerable 10:1 passive scope probe has connected innumerable signals and scopes to each other. And, when neither the probe’s nor the scope’s performance limitations are exceeded, the ...

Maybe you’ve heard about a new class of riflescope, optics that use electronics and wireless technology to help with the main job a scope is ­designed to do: consistently place bullets in a very small ...

Basic analog level triggering was developed by Tektronix founders Howard Vollum and Jack Murdock and helped sell the company’s first scope, the Model 511, in 1947. Adding an analog delay line to delay ...

Long-range target scopes have one job: to place bullets with repeatable precision at distance. But there’s plenty of room for variation within that performance envelope, and this year’s crop of ...