| 摘要 |
A rear sight for a hand held weapon includes a tubular member 12 of a translucent material, which, when mounted on a weapon, defines at least two circle-like images 32, 34 at different locations along the length thereof that are visible when aiming the weapon on which the sight is mounted at a target by viewing through the tubular member. When aiming the weapon, a user will look through the tubular member towards the target and for proper alignment with respect to the target, will manoeuvre the weapon until the circle-like images are concentrically disposed. This constitutes a simple operation that can be quickly performed, particularly also in low light conditions. The circle images may be formed by the edges 22, 26 of light gathering rings 18, 24 mounted on the inside of and receiving light via the translucent tube.
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