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Repairing Tento 10x50 binoculars Image alignment (psuedo-collimation aka conditional alignment)

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Replace both eyepieces

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Now you can see the prism, which is likely the part that needs adjusting.

Replace the left eyepiece, observing the fitting point (arrowed).

Replace washer.

Replace right eyepiece.

Replace washer.

Replace locknut.

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