Look through the riflescope at a blank white wall or up at the sky.Vortex Razor HD riflescopes use a fast focus eyepiece designed to quickly and easily adjust the focus on the riflescope’s reticle. 72 inches at 200 yards (2 cm at 200 meters), 1.08 inches at 300 yards (3 cm at 300 meters), etc. 36 inches at 100 yards (1 cm at 100 meters). Razor HD riflescopes with mrad adjustments use. An mrad will subtend 3.6 inches at a distance of 100 yards (10 cm at 100 meters). There are 6.283 radians in all circles and 1000 milliradian in a radian for a total of 6283 milliradians (mrads) in a circle. A radian is the angle subtended at the center of a circle by an arc that is equal in length to the radius of the circle. Mrad unit of arc measurements are based on the radian. 52 inches at 200 yards (14.6 mm at 200 meters). 26 inches at 100 yards (7.3 mm at a 100 meters). Razor HD riflescopes with MOA adjustments use. A minute of angle will subtend 1.05 inches at a distance of 100 yards (29.1 mm at 100 meters). There are 360 degrees in a circle and 60 minutes in a degree for a total of 21,600 minutes (MOA) in a circle. MOA unit of arc measurements are based on degrees and minutes. Vortex Razor HD Gen II 4.5-27x56 MOA Adjustments ![]() Both minute-of-angle (MOA) and milliradian (mrad) unit of arc scales are equally effective when ranging or adjusting riflescope for bullet trajectory. Take a look at Razor HD Gen II reticle EBR 2C MRADĭepending on which version you have purchased, your Razor HD riflescope will feature adjustments and reticles scaled in MOAs or mrads. Usually, the reticle will appear heavier at higher magnifications and finer at lower magnifications. The advantage of an FFP reticle is that the reticle subtensions used for ranging, holdovers, and wind drift corrections are consistent at all magnifications. ![]() This style of reticle will visually grow and shrink as you change the magnification. This Razor HD Gen II riflescope features a first focal plane reticle.įirst focal plane (FFP) reticles are located within the riflescope near the windage and elevation turrets in front of the image erecting and magnifying lenses. All riflescope reticles can be termed either first focal plane (FFP) or second focal plane (SFP), depending upon their internal location within the riflescope.
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