The 3-9x40 Crossfire II riflescope is one of many configurations in the Crossfire II line. The Dead-Hold BDC reticle is good for hunting at varying ranges where estimating holdover is a concern ...

The Viper red dot and mount are made from a single piece of 6061 aluminum and fits directly onto the receiver of most ...

Here are our picks for the best thermal scopes based on our hands-on testing. There’s really no substitute for field time with thermal devices. You can read their specifications and compare attributes ...

Through years of using spotting scopes across various terrains and for countless wildlife observations, I’ve come to see them as indispensable for nature enthusiasts, sports fans, and even stargazers.

They are small yet mighty, capable of spot cooling and perfect for industrial setups and even some wearable cooling systems. In this guide, we'll walk you through the best vortex tubes you can find in ...

Why you can trust Space.com Our expert reviewers spend hours testing and comparing products and services so you can choose the best for ... which Vortex builds into its optics to help with globe ...

Growing up in the countryside with binoculars almost always in hand, I spent countless hours watching wildlife, spotting birds, and immersing myself in nature. If there’s one thing I’ve learned, it’s ...

The Razor HD line from Vortex Optics are some of the best low-power variable optics (LPVOs) on the market. But in January 2020, Vortex announced the third generation of the ...

We haven't completed the 2025 best golf rangefinder testing yet. However, the Bushnell Pro X3+, the winner of the 2024 Best ...

So read on, and Best super lightweight model Best super lightweight model Despite its low price, the wide-field ED optics use the most recent multi-coating technology, which results in plenty of ...

A research team at POSTECH has developed a novel multidimensional sampling theory to overcome the limitations of flat optics ... Skyrmions are tiny vortex-like structures found in various ...

The system, known as a polar vortex, is forecast to bring subzero temperatures to the Midwest, Mid-Atlantic and deep into the South. And it looks as if we may get more arctic blasts in the coming ...