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Cheychi

New binocs , problem?

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Ok so the new binocs arrived this morning.

One issue I'm having is that when viewing if I move my eyes whilst looking through them I see what looks like black disc shapes moving in the view from either side, depending on eye movement.

Any ideas anyone?

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Do you have the Inter Pupilry Distance (IPD) set right ?

When looking through bins you should see a circular image not whats depicted on tv/movies of a binocular image

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Sounds like the infamous "kidney bean" effect, usually caused by not having your eyes accurately on the exit pupils.  Takes a bit of practice to get it right and some eyepieces are more prone than others.   😀 

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5 minutes ago, Peter Drew said:

Sounds like the infamous "kidney bean" effect, usually caused by not having your eyes accurately on the exit pupils.  Takes a bit of practice to get it right and some eyepieces are more prone than others.   😀 

That's a new one on me peter but makes sense

😁

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Try varying the clearance between your eyes and the eyepieces, you should be able to find an optimum position.  If the eyepieces have twist up/down facility this helps to keep your eyes in the right place.     🙂

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3 minutes ago, Peter Drew said:

Try varying the clearance between your eyes and the eyepieces, you should be able to find an optimum position.  If the eyepieces have twist up/down facility this helps to keep your eyes in the right place.     🙂

16 minutes ago, Stormbringer said:

what make and size bins are they ?

They're 20x80s

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Ah,  20x80's,  these are going to be difficult to hold steady enough to get your eyes in the best position.  If/when you mount them it will become easier.        🙂

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you may find resting your eyebrows on the eye cups so you can get your pupils a bit further back and braced helps. I have a pair of binoculars that I am sure I will love when I am old and need to wear glasses, but currently frustrate me a lot as it’s hard to find the optimum eye spacing so I see the full field most easily.

Even when things are adjusted well you may find you still get blackouts when looking to the left/right hand side, your pupils are not now lines up with the exit pupils, nothing you can do about this.

hope you find a way to get them working

 

peter

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