Glossary

Let's begin with the introduction of the J. P. Sauer and Sohn company, the oldest still-operating firearm manufacturer in Germany.…

Introduction All the contemporary riflescopes are equipped with an elevation turret and a windage turret. The former is used for…

What is a Picatinny Rail? Let´s refresh our memory of what a Picatinny rail is. It is a mounting rail,…

Proper mounting of optics is one of the key factors that affect its precision and reliability. Each component, from the…

Resolving power (or resolution) of an optical telescope is the ability to see small details in the image. It is…

Magnification of telescopes is calculated by dividing the objective focal length with the eyepiece focal length. To change the magnification,…

Aperture One of the essential features of a telescope is its aperture. Depending on the type of telescope, the aperture…