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Magnification 10x / Re: 0000560 Zeiss marine Stangenfernrohr
« Last post by Niall McLaren on Today at 12:54:34 AM »
Well done Rodolfo - an impressive beast indeed.
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Magnification 8x / Re: 0011674 Voigtländer 8x30
« Last post by Zbig Fiema on Today at 12:40:37 AM »
Thanks, Niall  ;)
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Magnification 10x / Re: 0000560 Zeiss marine Stangenfernrohr
« Last post by Rodolfo Peirano on Today at 12:33:17 AM »
Reticles images:
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Magnification 10x / 0000560 Zeiss marine Stangenfernrohr
« Last post by Rodolfo Peirano on Today at 12:32:43 AM »
Dear friends,

this is my latest discovery in terms of Zeiss optics.

Come from the south of France, with 0,6 m of base and 10x magnification 40 mm, absolutely never seen before, this optic, navy marked with the Weimar eagle and the letter M, at first glance it seem a rangefinder, instead it’s a Zeiss very heavy “Stangen-Fernrohr”  (4,8 Kg. built completely in cast bronze).

On the left side there is a revolver system housing that contains two reticles (see images): one consists only of a vertical line interrupted in the center, while the second one seem (even if some little different) the classic artillery 16" reticle. Above the filters housing there is a connection for an illuminator device.

In the central part of the optic there are in order from left to right: the eyepiece with the reticles that can be changed by a lever at the bottom, the right eyepiece, and a large knob for IPD  adjusting.

The rain / sun shield are directly incorporated in the objective protection sleeves. On the left and on the right of the eyepieces, there are two grooves for the support.

Under "Zeiss" logo (without Jena) there is the acronym Stg. F. “Stangen-Fernrohr” + N° 506 + Artl. = artillery. The number 506, I assume, that is the serial number and not the military acceptance number, because it’s also punched in several external and internal parts of the optic.

Although, this type of device has been produced since 1902, I think this one are of the Weimar period.

In the Blue Seeger book, in the first pages related to the rangefinders, you can see 3 similar specimens.

Regarding its use, I wonder if the undeniable increase in the three-dimensional effect could justify the use of such a complex and expensive optics to build. Evidently yes, given that several types were built, even during the Second World War.

After some researches I found the following models and their description of the Zeiss catalogs (although I don't know if my list is complete) I'm sorry for not perfect German translation. 

“Relief-Stangen-Fernrohr 10-und 20 fach“ (1902)

These instruments have the strongest stereoscopic effect, the optics for both eyes is built into a rigid tube. To achieve the large objective distance, terrestrial eyepieces are applied, their image-reversing lens systems to move in a known manner, the magnification, between 10 and 20 times, both to move simultaneously. The telescope bearing consists of a mounted on the wooden stand, in which one can move through the hand wheels a vertical rack for the purpose of lifting and lowering the instrument to adjust the eye level up and down. This rack carries a double fork in which the tube, secured against accidental lifting, can be turned freehand to straighten at height. To allow lateral straightening, the fork is rotatable on the rack itself. Two buttons, one lower, the other above the eyepieces, the lower one to change the magnification, the upper to make the correct eyepiece distance. The lens openings are protected by pipe sockets against rain and sidelight. To preserve the telescope is a strong spruce wood box, in which it is carefully bedded. The telescope bearing remains connected to the wooden stand. 

“Stangenfernrohr 60, 80 cm und 1,5 m”

The rod-telescopes are binocular observation telescopes for use on a tripod, in which a significantly increased depth effect is achieved due to the significantly extended objective distance. The rod- telescopes are offered in three varieties, 60 cm, 80 cm and 1.5 m. For use on board the 60 cm and 1.5 m are required. These rod- telescopes are protected by rubber boots on the tripod legs against the vibration of the ship in transit. As a result of easy mobility around a vertical axis and a horizontal axis, the observer can keep the target in the field even when the ship is heavily lurching. For use in fortresses all three sizes are needed. The rod-telescope 1.5 m is also available with 10x and 20x magnification. The telescopes with 10x magnification have a field of view of 4 °, i.e. 70 m at 1000 m distance. The 20x magnification has a field of view of 2 °, i.e. 35 m at a distance of 1000 m.

“Stangenfernrohr 60” second version  (WW2 period with an aiming monocular)

The optic is a binocular observation and sighting telescope with a basic length of 60 cm. This device is particularly suitable for long base or fire control systems. It is placed on a concrete pillar. Above the eyepieces of the ros-telescope is a monocular telescope 6x30. With the straightening telescope, the target can be visited more easily than with the rod-telescope, because the field of view of the straightening telescope is twice as large. Under the rod-telescope is a mechanical side part circle, with which the side angle to the target can be set to exactly 1/60 degree and read. In the height direction, the telescope is tiltable about its horizontal axis. The optical values are 6x and 10x, field of view 8.5° and 4°, diameter of the exit pupil 5 mm and 4 mm.

“Stangenfernrohr 3,5 m” (WW2 period)

The 3.5 m rod-telescope is a binocular observation telescope for use in coastal artillery or on board. The device has a storage fork with a continuous support tube for storage on a target device. The large distance between the two outlook openings greatly increases the stereoscopic ability to discriminate, so that the observer has a field of view with a pronounced depth extension. The observer is presented in the field of vision a division for height and side in 1/6300, with the help of the agreement of the surcharges in height and side are determined. The optical values are magnification 5 and 10 times, field of view 14 ° and 7 °, diameter of the exit pupil 5 and 2.5 mm.

“Stangenfernrohr 1 m, 8x”

The rod-telescope 1 m, 8x is a binocular observation telescope and is used to observe air and earth targets. The optical values are magnification 8 times, field of view 8.75 °, diameter of the exit pupil 6 mm.

“Stangenfernrohr C/1 für Zielanweisegerät” (WW2 period)

The rod-telescope C / 1 is intended for the target device (Z.A.G.). But it can also be used on the coast on pillar frame. The rod-telescope C / 1 is a binocular observation telescope with 1.2 m base length and changeable magnification. The device is stored horizontally in ball bearings. The viewing direction is inclined 80 ° to the viewing direction. The optical values are magnification 8x and 24x (switchable), field of view 8.75 ° (8x) and 2.9 ° (24x), diameter of the exit pupil 8mm (8x) and 3mm (24x). The weight of the rod telescope C / 1 is 47.5 kg.

“Stangenfernrohr 10x60 cm”

The 10x60 cm rod-telescope is a binocular observation telescope, especially for use in coastal artillery. Another field of application is shooting with a laterally laid meeting place. These shooting exercises are used against sea targets, especially against moving ships, without bombarding them themselves. The optical values of the rod telescope 10x60 cm are magnification 10 times, field of view 4 °, diameter of the exit pupil 4 mm.

Stangenfernrohr M/5

The rod-telescope M / 5 is a binocular observation telescope for use on board. It is used either on a three-legged frame with frame shoes attached to the deck or on a frame attached to the railing. For use in the dark the line image is illuminated by an electric lapel lamp. The optical values of the rod telescope M / 5 are magnification 10 times, field of view 4 °, diameter of the exit pupil 4 mm


Someone may know more ?

Rodolfo

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Magnification 8x / Re: 0011674 Voigtländer 8x30
« Last post by Niall McLaren on April 17, 2019, 10:41:42 PM »
I think it's just for Zeiss Zbig but don't beat yourself up about it - worse things happen at sea! ;)
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Magnification 8x / Re: 0011674 Voigtländer 8x30
« Last post by Zbig Fiema on April 17, 2019, 08:20:51 PM »
Interesting model indeed! Heavier and taller than usual 8x models. Sorry about these zeroes. Really not sure when to add these and when not  ;)
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Magnification 8x / Re: 0011674 Voigtländer 8x30
« Last post by Niall McLaren on April 17, 2019, 04:02:27 PM »
Nice - I too think pre war. (I thought we were only adding imaginary zeroes to Zeiss serials?) ;)
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Yes Winfried - I should have added it was a rework  - well spotted and zinc plates so probably late war as you suggest ;)
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Magnification 8x / Re: 0011674 Voigtländer 8x30
« Last post by Winfried Tuerk on April 17, 2019, 01:03:39 PM »
Never seen that 8x30 Voigtländer with its low serial number. Must be made pre WW1 or early wartime. Late war zinc plate versions have serial numbers in the 45000-60000 range.

Nice find!
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Hi Niall, interesting find! I wonder, if the pair represents a reworked 6x25 WW1 Dienstglas? On the right plate the ...glas from Dienstglas could be faintly readable.

There are many Voigtländer WW1 binoculars out there, that have been reworked after the Great War as they were from good quality.

Are the plates made from zinc? Due to lack of resources, often zinc plates replaced the brass or aluminum ones by the mid of the war.

If you're right with the retire gift theory, the policeman could be lucky not to get incorporated in Himmler's cruel SS police (Sicherheitspolizeit) in 1936...
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