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A C79 Optical Sight. The C79 optical sight (SpecterOS3.4x) is a telescopic sight manufactured by Elcan. A variant, the M145 Machine Gun Optic is in use by the US military. It is 3.4×28, meaning 3.4x magnification, and a 28mm diameter objective lens. A tritium illuminated reticle provides for normal and low-light conditions sighting. [1]
Scope mounts are rigid implements used to attach (typically) a telescopic sight or other types of optical sights onto a firearm. The mount can be made integral to the scope body (such as the Zeiss rail ) or, more commonly, an external fitting that clamp onto the scope tube via screw -tightened rings (similar to pipe shoes ).
The SIG Sauer 200 STR has an 11 mm dovetail on the receiver for mounting a diopter rear sight or a scope sight, either directly or via a Picatinny rail adapter.. Dovetails come in several different types and sizes depending on manufacturer, but the most common are the 11 mm and 3 ⁄ 8 inch (9.5 mm).
The PSO-1 has neither a focus adjustment nor a parallax compensation control. Most modern military tactical scopes with lower power fixed magnification such as the ACOG, C79 optical sight or SUSAT (intended for rapid close-intermediate range shots rather than long-range sniping) lack such features as well. Modern fixed magnification military ...
The standard sight on the revamped model C3A1 is an Unertl 10× zoom scope which can only be used for daytime engagements as its lacks any night vision capabilities. It has a duplex crosshair with a mil dot style scale in increments of 200m up to 1000m. It can also be used with the default iron sights. The stock for the C3A1 is one piece walnut ...
The diopter sight is easy to use and usually allows for very accurate aiming, because a relative long sighting line can be used. A long sighting line helps to reduce eventual angle errors and will, in case the sight has an incremental adjustment mechanism, adjust in smaller increments when compared to a further identical shorter sighting line.
A telescopic sight can have several manual adjustment controls in the form of control knobs or coaxial rings. Diopter adjustment (also called the ocular focus) on the eyepiece — meant to obtain a sharp picture of the target object and reticle. Elevation control – meant to adjust (or "track") the vertical deviation of the optical axis ...
The Weaver mount was developed by William Ralph Weaver (1905 – 8 November 1975) at his telescopic sight company W.R. Weaver Co., which he founded in 1930. [3] Previous systems included the Leupold/Redfield mounts. [4] Compared to the Leupold mount, the Weaver rail is not as strong and cannot be adjusted for windage. [4]