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Trentend

Eyeguard extender

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Really enjoying the view through my PVS7 NV goggles which have a long rubber eyeguard that completely blocks out all surrounding light, useful in my light polluted back yard. Is there something similar I can buy to go on the end of a panoptic 24mm eyepiece (x2) to be used in my Binotron? I know Televue sell an extender but not sure it will block as much, plus £33 a pop.

Maybe something like this style B

 

https://www.edmundoptics.co.uk/f/rubber-eyeguards/12476/

Edited by Trentend

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6 hours ago, Trentend said:

Really enjoying the view through my PVS7 NV goggles which have a long rubber eyeguard that completely blocks out all surrounding light, useful in my light polluted back yard. Is there something similar I can buy to go on the end of a panoptic 24mm eyepiece (x2) to be used in my Binotron? I know Televue sell an extender but not sure it will block as much, plus £33 a pop.

Maybe something like this style B

 

https://www.edmundoptics.co.uk/f/rubber-eyeguards/12476/

You don't need an eyeguard extender with the 24mm Panoptics--it would sacrifice too much eye relief.

You just want a longer rubber eyecup.

Like this, perhaps?:

https://www.edmundoptics.com/f/rubber-eyeguards/12476/

There are other retailers that sell similar eyecups.

https://inspectusa.com/eye-guard-accordion-style-eye-cup-125inch-pveg1-fits-std-borescope-p-392.html

or maybe something here would work:

https://www.google.com/search?q=rubber+eyepiece+eyeguards&client=opera&hs=XdK&source=lnms&tbm=isch&sa=X&ved=2ahUKEwithPjAsKrsAhXUpZ4KHSAMD4QQ_AUoAnoECAwQBA&biw=1880&bih=970

And there is always the option of making your own by cutting out a short section from a bicycle inner tube and stretching it over the eyepiece and folding it over to make it whatever length you want.

You could get a hundred eyecups from one inner tube.

Edited by Don Pensack

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Quick heads up - the Edmund optics guards arrived today - unfortunately they don't fit the panoptics (just in case anyone else was looking at these) so have ordered the official ones from Televue instead...

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