SOURCE: Double Vision
Your glasses have had a hard drop or jar- they are out of colluminatiom send them to Deusch Optics in Nevada
SOURCE: double vision
I'm assuming you have set the dioptre correctly for your eyes.
Normally this is caused by a collimation error when one (or both) prisms move. This can be by a small amount.
Your going to have to take them in for service/repair to fix this as is not a DIY problem. (Unless of course you have a collimator lying around)
SOURCE: double vision
take it into an outdoor shop and they can check the mirror alignment, seems that it may have "altered' itself
SOURCE: double vision
The yoke which connects the eyepieces and keeps them aligned as the
focus changes is damaged. If you can easily move one eyepiece back and
forth with respect to the other then the yoke has broken, if not then
it's bent, probably cracked and waiting to break.This is easily the
most common fault on most binoculars, and it's always uneconomic to repair on budget brands such as Bushnell.
If bent, the yoke *might* be able to be straightened,
but it will be weakened and the alignment afterwards will rarely be
spot-on. If broken, then the yoke must be replaced professionally but
the repair will cost more than replacing the binoculars with new. In any case, it's unlikely that Bushnell even list the spare part for it. The
break cannot be simply glued: the contact area is too small to carry
the loads it has to carry, and you also usually find that the yoke bent
before breaking anyway so you then have all the same problems as you do
with a bent yoke.
The fragile nature of the yoke is why
binoculars must always be inserted into their case with the objective
lenses facing down; this avoids shock loads on the delicate yoke
assembly.
I hope that you've found my posting to be of use and in return ask only that you take a moment to rate my answer.
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