Knowledge

The solution to binocular ghosting is as follows: 1. Adjust the optical axis: disassemble the telescope, fix the telescope with an observation target, adjust the inner screws, and adjust the focus unt

The lens size of binoculars is not always better. The magnification of the telescope should be selected according to the purpose of use and the environment. Bigger is not always better. Excessive magn

Typically, this method of use is to fix the device on a gantry on a highway or core road, with the laser transmitter and receiver facing vertically toward the ground and aligned at the center of the l

1. Accuracy. Choosing a suitable accuracy laser rangefinder according to the accuracy requirements of the use occasion is the primary consideration when purchasing. High-precision rangefinders on the

A ranging telescope is a measuring instrument that combines a laser rangefinder and a telescope system and integrates observation and measurement. The laser rangefinder consists of a telescope system,

Laser rangefinders generally use the pulse method to measure distance. The laser rangefinder emits a beam or a sequence of laser pulse beams to the object being measured. The laser is reflected by the

A special lens focuses the infrared rays emitted by objects within the field of view. A phased array on the infrared detector element scans the focused light. The detector elements produce very detail

Field binoculars and prism binoculars are smaller binoculars that can be held in the hand and used. They can magnify distant objects so that distant scenery can be seen more clearly through them. Unli

Binoculars are observation instruments composed of two telescopes with the same performance and meet the observation requirements of people's eyes. It is a basic observation instrument for militar