“objective lens”

German Precision Optics has expanded its Passion 3X riflescope line to include a 6X-18X-50mm model. The versatile, compact Passion 3X offers quick-adjust turrets, generous eye relief and a large objective lens for clear target and sight picture in low-light conditions.

With the push of a button, the new Eliminator 6 laser rangefinding riflescope ranges out to 2,000 yards and displays the distance to the target, exact aiming point and wind data.

Building on its existing series of T6Xi tactical riflescopes, Steiner Optics has announced the H6Xi riflescope—tailored for today's discerning big-game hunter—now with a MIL reticle for enhanced precision.

Most hunters know the importance of proper eye relief and stock weld when using a riflescope, but two other things also require attention. To get the best optical performance, adjust the ocular and objective lenses.

Here's one easy way to determine a scope's potential performance in low-light conditions.

Built in a single-piece aluminum tube with precision machined adjustments, the RS.2 Ultralight Riflescope is designed for high-performance in any hunting situation and withstand years of precise dialing at a price hunters will appreciate.

Leupold introduces its new VX-3HD line of riflescopes. Aimed squarely at the hunting market, the VX-3HD promises outstanding low-light performance in a lightweight package.

Here’s a rundown of the basic optics terms that every hunter should know.

Here's an easy way to determine if optical glass is coated.