通过操纵杆对准十字叉丝。

Focus now by means of joystick on the cross hair image.

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如何快速寻找到这两个绿色“十”字叉丝反射像？

How to find these two "cross-hairs" reflected images quickly?

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全息瞄准光学元件设有全息干版，干版上设有叉丝图案信息和无穷远微小亮点信息。

The hologram aiming optical element has a hologram dry plate, on the plate, there arranged with pattern information and infinite distance micro bright point information.

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