First focus the reticle with the image field boundary by turning the eyecup.
首先在图像的边界对准十字线旋转眼杯。
Without the eyecup in place, eye position did become somewhat more critical, although I still had little trouble getting my eye in the right spot to fully view the field.
去除眼罩后，眼睛的位置变得略微更加灵活，尽管我在寻找合适的位置以便看到完整的视场时遇到了一点麻烦。
Without the eyecup in place, eye position did become somewhat more critical, although I still had little trouble getting my eye in the right spot to fully view the field.
去除眼罩后，眼睛的位置变得略微更加灵活，尽管我在寻找合适的位置以便看到完整的视场时遇到了一点麻烦。
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