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Histórico da introdução: Repairing Tento 10x50 binoculars Image alignment (psuedo-collimation aka conditional alignment)

Edição por Phil Jones

Edição aprovada por Phil Jones

Antes
Depois
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Introduction
I was given these wonderful "Made in the USSR" binoculars by my father to view Halley's Comet in 1986. They were recommended by Patrick Moore. InHalley's Comet is due to return in 2061. All being well, I shall be 88 years old and hope towill see it again. All being well - I will be - using the same binoculars, - with their evocative smell of old RAF jet airplane cockpits.
Imagine my dismay when they got dropped, then were misaligned! They were in their box at the time, but that was enough to make the image look doubled. Turns out the reason was the prisms had been displaced slightly. Now, the Soviets made themthese to last, right?
Conclusion
Success?? Remove the eyepieces again, replace the barrel cover, then follow steps 1-5 in reverse order.