Celestron NexStar Fine focus tuning

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Allow more precise focus with the focus stick attached to the focus button. Tighten the stick by screwing it onto the button for fine focusing capabilities. Loosen the stick a bit to free the main button and use it normally again. This feature enables you to make precise adjustments using the movement of the focus button's multiplier rod. Attach the rod and tighten it securely to start using it. To reset the main button, loosen the rod slightly and continue using your camera as usual.