1. The rear sight is a simple diopter with screw adjustment. 2. This was coupled by a simple system of diopter sights. 3. You might not need all the diopters of a normal magnifying glass. 4. Two diopters corresponds to 20 / 100, and three diopters 20 / 400. 5. Two diopters corresponds to 20 / 100, and three diopters 20 / 400. 6. Typical modern target shooting diopters offer windage and elevation corrections in to increments at. 7. The correction is only about 1 / 2 + diopter on the red lens. 8. The rifle is issued with a Diopter sight. 9. A typical human eye without refractive error has a refractive power of approximately 60 diopters . 10. Apart from that, it has an Anschutz diopter sight and an adjustable ring sight.