影像測量儀的那些硬件因素會導致誤差？

影像測量儀在進行測量時通常流程是先對焦對準，再讀數，然后計算處理。讀數來自于光柵系，對焦對準依賴于影像儀的光學系統，還有一個有效正確的照明光源直接影響測量效果和精度。此外環境條件也是影響測量精度不容忽視的因素。接下該設備有什么硬件因素會導致誤差。

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