With most binoculars you have to adjust them to suit your eyes, and to do this you have to do one eye at a time.
Lift your binos up to your eyes, then cover the objective of the side with your hand that dose not have a individual focusing device.
Turn this focusing device either way until you can focus on something, when you are satisfied remove your hand and then focus with the middle knob only until the focus is clear.
Leon
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