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一、概述一般双目观察仪器,左右光学系统放大率的允差△Γ/Γ=1.5～2%左右(△Γ为左右系统放大率差,以下简称放大率差,Γ为放大率),而光学体视测距机左右光学系统放大率差,从测距精度提出的要求,一般为0.5%,较一般双目观察仪器严格得多。要求严格的原因主要是为了保证测距精度。在测距时,将测标和目标进行深度上比较,测手总是让目标象和测标象之间有一定的方向角间隙,以比较两者的远近,所以,有放大率差存在的测距机总是不同程度地存在着测距误差。体视测距机有测标系统,观察系统(也叫主系统)等,有共光路的光学零部件和非共光路光学零部件之分。我们这里所说的放大率差
First, an overview of the general binocular observation instrument, the left and right optical system magnification tolerance △ Γ / Γ = 1.5 ~ 2% (△ Γ is the left and right system magnification difference, hereinafter referred to as the magnification is poor, Γ magnification), and Optical stereo vision ranging machine around the optical system magnification is poor, ranging from the accuracy of the proposed requirements, generally 0.5%, much more stringent than the average binocular observation apparatus. The reason for the strict requirements is mainly to ensure the accuracy of ranging. In the distance measurement, the depth of the target and the target to be compared to measure the hand and the target always make a certain angular difference between the target and the measured image of the angular gap between the two to compare the distance, so there is a difference between the magnification Ranging machines are always ranging to varying degrees ranging error. Stereo ranging machine measurement system, observation system (also known as the main system), a total of optical components and non-optical components of optical components of the points. What we are talking about here is poor magnification