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German / Re: 7x50 rln hinged oculars
« Last post by Niall McLaren on Today at 01:27:55 AM »
Maybe more for sungoggle use Rodolfo - by the time the rln's were made, the threat of gas (which was prominent in the 1930's and resulted in the Gasmask binos we love) was largely gone.

I have a  bmk 7x50 with the flip up cups too but only standard oculars (not the bigger style of Gasmask oculars). ;)
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German / Re: 7x50 rln hinged oculars
« Last post by Rodolfo Peirano on Today at 01:00:39 AM »
Yes Zbig, this type of button flap is good for bino of different dimensions. obviously it also cost more than the classic ones. There is more work and two buckles.
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German / Re: 7x50 rln hinged oculars
« Last post by Zbig Fiema on Today at 12:56:15 AM »
Ah, OK, so you referred to the actual size of the flap which seems to be larger than for the size of this type of binoculars, and NOT to the function, yes?
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German / Re: 7x50 rln hinged oculars
« Last post by Rodolfo Peirano on Today at 12:55:10 AM »
Nice but I'm not sure if the extra expense involved in flip up eyecups would be worth it merely to aid cleaning the glass. ;)

So you think it was designed for GM use ?

In reality, they are eyepiece on the same style of 7x50 or 8x60 U-boot.

In any case, I do not have much information on this model, and I would be glad if anyone could tell me more.  :)
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German / Re: 7x50 rln hinged oculars
« Last post by Rodolfo Peirano on Today at 12:48:42 AM »
Not sure why you think, Rodolfo, that this leather flap is strange? Do you think it served a different purpose than just to attach the lower part of the binoculars to a button in the uniform?

I wrote "strange button flap" because when it is adjusted to the maximum with, it reaches the diameter of about 5 cm, while at the minimum, about only 1.5 cm.

Which binoculars has a bridge of this sizes ?  ::)
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German / Re: 7x50 rln hinged oculars
« Last post by Greg Boreland on April 26, 2018, 11:57:24 PM »
They are nice Rodolfo I've never seen flip out eyepieces in rubber or Zeiss made either, Thanks for showing them and well done, 👍
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German / Re: 7x50 rln hinged oculars
« Last post by Zbig Fiema on April 26, 2018, 11:36:07 PM »
Not sure why you think, Rodolfo, that this leather flap is strange? Do you think it served a different purpose than just to attach the lower part of the binoculars to a button in the uniform?
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German / Re: 7x50 rln hinged oculars
« Last post by Niall McLaren on April 26, 2018, 10:28:31 PM »
Nice but I'm not sure if the extra expense involved in flip up eyecups would be worth it merely to aid cleaning the glass. ;)
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German / 7x50 rln hinged oculars
« Last post by Rodolfo Peirano on April 26, 2018, 08:36:48 PM »
Here my two 7x50 rln hinged oculars.

Some claim that this type of rubber “flip-flap” eyepiece was a version of GM, while others were made to facilitate lens cleaning. These binoculars were produced towards the end of the war by both Zeiss and other manufacturers (Srb & Stys) and may be other.

Cartridges for silica gel are also present, so I assume they were used by the navy.

The bino in images, despite the different finish (a smooth and a rough one), come from the same series of 1945 of 850 units.

To note is also a strange button flap (supplied with the bino) with numerous holes for adjustment, with the M and the Kriegsmarine eagle.
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German / Re: Maker
« Last post by Wim de Bruin on April 25, 2018, 12:26:43 PM »
I knew this company either , so I googled the history of this company.
This company had an iron/ aluminium foundry ( Eisengießerei ) and a punchingmachine factory ( Schnellpressenfabrik )
So they were technically able to make binoculars , but did they made the lenses themselves or were they supplied by others ?
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