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This new sight became the Mark II Gyro Sight, which was first tested in late 1943 with production examples becoming available later in the same year. Ferranti built a new factory in the Crewe Toll area of Edinburgh, Scotland to build the sights. This factory would later go on to be the center for Ferranti's long history in radar development.
The PE scope (Russian: Винтовочный оптический прицел образца 1931 г. [1] or ПЕ, often called Прицел Емельянова, or Yemelyanov's sight [2] or Прицел Единый or Standard sight) is a family of Soviet telescopic sights, used from 1930s onwards on Mosin-Nagant sniper rifles, as well as SVT and AVS rifles. [2]
Standard doctrine with iron sights is to focus the eye on the front sight and align it with the resulting blur of the target and the rear sight; most shooters have difficulty doing this, as the eye tends to be drawn to the target, blurring both sights. Gun users over 30 years of age with keen eyesight will find it harder to keep the target ...
On weapons, these sights are usually formed by rugged metal parts, giving them the name "iron sights", [4] as distinct from optical or computing sights. [5] On many types of weapons they are built-in and may be fixed, adjustable, or marked for elevation , windage , target speed, etc. [ 3 ] They are also classified in forms of notch (open sight ...
Reflector sights as aircraft gun-sights have many advantages. The pilot/gunner need not position their head to align the sight line precisely as they did in two-point mechanical sights, head position is only limited to that determined by the optics in the collimator, mostly by the diameter of the collimator lens.
It is (or has been) also used by the armies of Cameroon, Oman, Spain and Sweden, in assault rifles such as the Swedish Ak5B and the Spanish CETME LV, although after the replacement of the latter by the HK G36, those sights have been employed in Rheinmetall MG3 machine guns. A similar unit known as the L2A2 SUIT Sight was used on the L1A1 SLR.
PU telescopic sight from above. The PU scope (ПУ, прицел укороченный, 'Scope short-cut' in comparison to PE/PEM telescopic sight) is a 3.5×21 telescopic sight of Soviet manufacture, widely used since 1940 on the SVT-40 rifle for which it was originally designed and since 1942 on the Mosin–Nagant rifle.
Tang sights were mounted behind the action of the rifle, and provided a very long sight radius, and had to be unfolded for use, though rifles with tang sights often had open sights as well for close range use. Tang sights often had vernier scales, allowing adjustment down to a single minute of arc over the full range of the sight.