Small Knobloch 23mm glass holder ring. - at an angle 20mm.

Knobloch lens holders are available in various types for all the requirements of the sports shooter. The large lens holder (⌀ 37 mm) is recommended for the pistol shooter. The small lens holder (⌀23mm) is usually a better choice for the rifle shooter because it is easier to adjust behind the diopter.

With the lens holder (⌀ 23mm) that is bent at an angle, you can bring the lens 8mm closer to the eye.