Abstract: A laser sighting device includes a sighting scope, an objective lens, an ocular assembly, a laser locator, an illumination unit, and an operation switch, which is provided on the sighting scope to operate the telescopic sighting device at least between a laser mode and an illumination mode, wherein in the laser mode, the laser locator is arranged to generate a laser beam toward a target from an exterior of the sighting scope, wherein in the illumination mode, the illumination unit is arranged to generate illumination toward the objective lens from within the sighting scope so that a user is able to observe an illumination pointer through the ocular lens irrespective of whether the laser locator is activated.