Id german optical equipment

Discussions on the equipment used by the Axis forces, apart from the things covered in the other sections. Hosted by Juha Tompuri
Sturm78
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Re: Id german optical equipment

Post by Sturm78 » 14 May 2018 19:31

Hi all,

An artillery sight. I guess a Rundblickfernrohr 32....

Image from Ebay
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Re: Id german optical equipment

Post by Sturm78 » 20 May 2018 19:58

Hi all,

A German WWI-era Flak rangefinder. Any idea about his official designation ?

Image from Ebay
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ChrisMAg2
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Re: Id german optical equipment

Post by ChrisMAg2 » 22 May 2018 01:04

It looks like this one: --Goerz, 1,25m Entfernungsmesser für Feldartillerie.-- But it appears to be a (slightly) bigger model, like 1,4m.
And of course it could be an identical Carl Zeiss model.
A much more similar, boxed model (Goerz, 1,4m) is shown here: http://www.militaria-fundforum.com/show ... p?t=840645
For comparison, here is again the 1,25m: http://firstwartechnik.free.fr/Dbinoall.html

Regards
Christian M. Aguilar

Sturm78
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Re: Id german optical equipment

Post by Sturm78 » 22 May 2018 19:44

Christian wrote
It looks like this one: --Goerz, 1,25m Entfernungsmesser für Feldartillerie.-- But it appears to be a (slightly) bigger model, like 1,4m.
And of course it could be an identical Carl Zeiss model.
A much more similar, boxed model (Goerz, 1,4m) is shown here: http://www.militaria-fundforum.com/show ... p?t=840645
For comparison, here is again the 1,25m: http://firstwartechnik.free.fr/Dbinoall.html
Thank you very much for your answer, Christian. :) ....It is difficult to ensure as my image is a bit blurry but maybe you are right...

Identifying the different models of rangefinders is quite complicated since they are all very similar and the photos are usually not very good ...

Regards Sturm78

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Re: Id german optical equipment

Post by Sturm78 » 24 May 2018 20:26

Hi all,

Can anyone identify this rangefinder ?

Image from Ebay
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Re: Id german optical equipment

Post by Sturm78 » 27 May 2018 14:20

Nobody ??

Well, here another image from Ebay. Any idea about this one ? ....from a coastal gun battery in Norway ...

Image from Ebay
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Natter
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Re: Id german optical equipment

Post by Natter » 02 Jun 2018 11:11

Sturm78 wrote:from a coastal gun battery in Norway
Taken at Kopås (MKB 1./501 Dröbak).
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Re: Id german optical equipment

Post by Sturm78 » 02 Jun 2018 14:13

Natter wrote
Taken at Kopås (MKB 1./501 Dröbak).
Thanks, Natter... :)
Do you know if the ranngefinder is the original Norwegian instrument of the battery or of German origin ?

Regards Sturm78

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Re: Id german optical equipment

Post by Sturm78 » 06 Jun 2018 20:12

Hi all,

Any idea about this ? :?
I think it is an item associated with a coastal artillery battery

Image from Ebay
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Natter
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Re: Id german optical equipment

Post by Natter » 06 Jun 2018 21:16

Sturm78 wrote:I think it is an item associated with a coastal artillery battery
Same as here it seems:
https://forum.axishistory.com/viewtopic ... 3#p2141473

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Re: Id german optical equipment

Post by Sturm78 » 07 Jun 2018 20:17

Thanks Natter

range-finder with a vertical base.... :? I did not know this type of instrument
What was its operation?
Any aditional image ?

Sturm78

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Natter
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Re: Id german optical equipment

Post by Natter » 08 Jun 2018 00:07

Not my field of expertice, but I think a vertical rangefinder of some sorts.
Maybe the same as this (photos from the firecontrol-exibition at Oscarsborg castle, Norway)?
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Janef
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Re: Id german optical equipment

Post by Janef » 08 Jun 2018 15:50

Sturm78 wrote:Hi all,

Any idea about this ? :?
I think it is an item associated with a coastal artillery battery

Image from Ebay
Sturm78
It is an EM-3 vertical base rangefinder.
Em-3.jpg
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T. A. Gardner
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Re: Id german optical equipment

Post by T. A. Gardner » 08 Jun 2018 20:31

Those are variants of the "Depression" rangefinder. They work by measuring the angle to sea level at the target. The height of the rangefinder above sea level is known, so it's a simple trig calculation to get the range. These are sometimes called "base" rangefinders.

https://en.wikipedia.org/wiki/Depressio ... ion_finder

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Re: Id german optical equipment

Post by Sturm78 » 10 Jun 2018 16:24

Thank you for your answers, JEF and T. A. Gardner

Regards Sturm78

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