| 摘要 |
PROBLEM TO BE SOLVED: To provide a structure and an aiming method for a red dot site, allowing reduction of length of a sighting device, enlarging an objective lens to broaden an overall visual field, and forming an image wherein there is not risk of distortion or a defocus. SOLUTION: Dot light is emitted between the concave objective lens 2 and a planar eyepiece 1 having an inclined shape, the dot light is irradiated on the eyepiece 1, the dot light is reflected by the eyepiece 1, false dot light is formed on a main axis of the objective lens 2, and a situation wherein a red dot is emitted in parallel continuously after projection on the objective lens 2 by use of the false dot light and wherein the red dot is incident in parallel from a distant place is simulated. COPYRIGHT: (C)2007,JPO&INPIT
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