Pupil distance self-adaptive observing equipment

Abstract

The invention relates to the technical field of optical instruments, in particular to pupil distance self-adaptive observing equipment. The pupil distance self-adaptive observing equipment comprises a first eye lens and a second eye lens, wherein the distance between the principle optic axis of the first eye lens and the principle optic axis of the second eye lens is fixed and unchanged, and the first eye lens and the second eye lens are of a multi-level structure with different off-axis amounts. The distance between the principle optic axis of the first eye lens and the principle optic axis of the second eye lens is 62mm. The first eye lens and the second eye lens are of a trebling structure with the off-axis amounts of +4mm, 0mm and -4mm respectively, and the exit pupil diameter of each level structure is 6mm. The pupil distance does not need to be adjusted in the using process of the pupil distance self-adaptive observing equipment, and thus the pupil distance self-adaptive observing equipment has the advantages of being simple in structure and high in reliability.

Description

technical field [0001] The invention relates to the technical field of optical instruments, in particular to a pupil distance self-adaptive observation device. Background technique [0002] Observation equipment, such as telescopes, generally adopt the form of single-tube binocular, double-tube binocular, and single-tube monocular. However, in order to meet the observation habits of human eyes, most of the observation equipment is designed in the form of binoculars. Due to the different interpupillary distances of different groups of people, most observation devices are designed with adjustable interpupillary distances, such as: [0003] 1) if figure 1 As shown, one set of eyepieces is fixed, and the other set of eyepieces moves relatively. This form requires the eyepiece holder to be separated from the instrument housing and fixed by a pressure plate, and a sealing ring is added to ensure sealing. [0004] 2) if figure 2 As shown, the two sets of eyepieces can move rel...

AI Technical Summary

Problems solved by technology

This form of interpupillary distance adjustment is the most widely used in all kinds of white light telescopes, but the number of parts is large and the structural parts are relatively complicated, and the reliability is poor

[0006] Therefore, the above several interpupillary distance adjustment methods all realize the adjustment requirements of the interpupillary distance through relatively complicated rotating and moving mechanisms, which increases the number of parts and weight of the instrument and reduces the reliability of the instrument.

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