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Age of my zeiss?

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Old Thursday 14th March 2019, 06:05   #26
Troubador
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Joker

Zeiss Wetzlar advise that your bino was made in 1971.

Lee
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Old Thursday 14th March 2019, 07:06   #27
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Quote:
Originally Posted by Samolot View Post
Any chance someone can look up: 2395970 (Zeiss 7x42 TP)? Just curious!
Sam

Your Dialyt was made in 2000 according to Zeiss, Wetzlar.

Lee
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Old Thursday 14th March 2019, 18:19   #28
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Henry,

I believe Joker9937 was wondering about contacting Zeiss-USA. Btw, can you please free some PM space, I have tried to send you a PM but you have exceeded the quota.

Peter
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Old Monday 25th March 2019, 18:56   #29
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Thank you to you all. Your info has been interesting and helpful. I contacted Zeiss, and the person I spoke to was very polite. I followed up with an email as he requested, but have not heard anything in return. No worries. I did not expect them to be interested in working on an old set of binos.

Not to milk the forum for all of their knowledge at one time, but I found another set that I picked up. I wonder if anyone knows when these were made and if they are worth restoring? Someone did a horrible job of re-painting them. Much of the info on them has been blotted out. I have attached pics for as much info as possible.

I can't quite make out the model name, but I think it says "Deltarem". The ser. # as I can see it says "1526564" (not sure that the last number is a "4", but the preceding numbers are fairly clear).

Nearly as heavy as an anvil, but the views look pretty good. I don't want to say what I paid, because it is probably way too much. But, is something like this worth sending to a pro like Cory Suddarth, and putting a couple of hundred into it? Even with being afraid that I spent more than I should have, it was still less than a one or two nice steak dinners.

If not, it is still enjoyable as is. I can take the plates off, as well as other affected parts, and make it look much more attractive than it does currently.

Here are the pics.
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Old Tuesday 26th March 2019, 11:54   #30
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Well, no response, but it's only been a day. I'm questioning whether what I think I'm reading on the right side is actually "Deltarem".

First of all, everything I've read since posting says that they're exceptionally rare. Secondly, the pictures I've found don't look exactly Luke mine. Not sure mine are quite as squat. The eyepiece build looks different on mine too.

So, while they definitely say, "Carl Zeiss Jena", "8x40", and the serial number is mostly legible, the jury is still out on what the model actually is.

Any clue, anyone?
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Old Tuesday 26th March 2019, 12:23   #31
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It's a pre-WWII Delactem. One of the members here has a pair in his collection.

https://www.flickr.com/photos/binocwpg/14152336873

Last edited by henry link : Tuesday 26th March 2019 at 12:40.
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Old Tuesday 26th March 2019, 13:08   #32
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Thanks, Henry. Much appreciated. That looks more likely, based on the proportions. I was a little excited that I'd possibly stumbled on a rare and desirable bino. Still, though, it's pretty nice. Just not the gem I was thinking it was. LoL

Thanks for the model name. Much appreciated.
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Old Tuesday 26th March 2019, 18:46   #33
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Hi Joker

I am very hopeful of getting a date of manufacture for you very soon.

Lee
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Old Tuesday 26th March 2019, 20:38   #34
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As far the Zeiss 8x40 pictured, I would not spend the money needed for a restoration. Maybe if it had
sentimental value, but you could purchase a nice clean specimen for less than the cost of restoration.

I would keep looking for a nice Zeiss, and I would want a newer model with multicoated lenses, that way you will have a clearer, brighter and sharper view.

Have you a budget in mind ?

Jerry
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Old Tuesday 26th March 2019, 22:18   #35
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Hi,

I agree with Henry on the Delactem - only 8x40 center focus model in the general vicinity of the date of mfg, but it is interesting.
The serial number dates this in 1930 and the Delactem is listed as having been produced from 1931 to 1943 - so either the list of serial numbers is off by a few ten thousand (not too likely) or we have a very early example of the Delactem.

http://www.europa.com/~telscope/zeissbin.txt

http://home.europa.com/~telscope/zeissbn2.txt

As for using it - modern bins with modern coatings will be a lot better than this obviously uncoated example. If you are a collector, things are different of course. Although a 8.75 deg true field of view is quite nice in an 8x40 model... how sharp is it at the edge?

Joachim

Last edited by jring : Tuesday 26th March 2019 at 22:19. Reason: added source links
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Old Wednesday 27th March 2019, 14:26   #36
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Quote:
Originally Posted by Troubador View Post
Hi Joker

I am very hopeful of getting a date of manufacture for you very soon.

Lee
Joker

Zeiss Jena confirm your bino was made in 1930.

For a pic and more go to: http://www.archive.zeiss.de/zeig_sta...mern&zeig=1017

Lee
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Old Thursday 28th March 2019, 08:01   #37
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Quote:
Originally Posted by NDhunter View Post
As far the Zeiss 8x40 pictured, I would not spend the money needed for a restoration. Maybe if it had
sentimental value, but you could purchase a nice clean specimen for less than the cost of restoration.

I would keep looking for a nice Zeiss, and I would want a newer model with multicoated lenses, that way you will have a clearer, brighter and sharper view.

Have you a budget in mind ?

Jerry
Hello, Jerry. I see your point about the resto. I will probably enjoy it as is for now. I might try and give it a shot myself, but am trying to build a collimator right now. (I think we talked on CN) I won't disassemble these for cleaning until I can be sure to get them back together properly.

Yes, I am keeping my eyes open for a good deal on a newer model. I don't have a specific model or price in mind. I am just picking up cheap ones here and there to get a bit of an education, I guess.

I am open to suggestions, though, on models to keep in mind. Not that money is no object, because it is, but if it is excellent and the price is right, I would make it happen somehow. I generally like these old examples, though.


Quote:
Originally Posted by jring View Post
Hi,

I agree with Henry on the Delactem - only 8x40 center focus model in the general vicinity of the date of mfg, but it is interesting.
The serial number dates this in 1930 and the Delactem is listed as having been produced from 1931 to 1943 - so either the list of serial numbers is off by a few ten thousand (not too likely) or we have a very early example of the Delactem.

http://www.europa.com/~telscope/zeissbin.txt

Someone mentioned this anomaly to me by email. Interesting. I wish whoever had painted the daylights out of this thing hadn't. It doesn't look terrible until you look more closely, but it's the principle.


http://home.europa.com/~telscope/zeissbn2.txt

As for using it - modern bins with modern coatings will be a lot better than this obviously uncoated example. If you are a collector, things are different of course. Although a 8.75 deg true field of view is quite nice in an 8x40 model... how sharp is it at the edge?

Joachim
Yes, I can tell a distinct difference between this binocular and something like my Audubons or the one other set of Zeiss that I have; the ones I mentioned up-thread.

They are very sharp, though. I am probably not the best judge, but they do seem sharp well out from the center. Not sure about to the very edge, though. They do give a comfortable view. Daytime views are a little washed out, but still enjoyable. I think with an internal cleaning, and a few adjustments, I think it might improve.

Stars are enjoyable. The moon was not as nice as I expected.

Still for an 89 year old set of glasses, pretty cool, in my opinion.
Quote:
Originally Posted by Troubador View Post
Joker

Zeiss Jena confirm your bino was made in 1930.

For a pic and more go to: http://www.archive.zeiss.de/zeig_sta...mern&zeig=1017

Lee
Thank you. I wonder how it ended up that they were recorded as starting in '31.
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Old Thursday 28th March 2019, 10:47   #38
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Hi,

as for the model list with manufacturing times - unlike the serial number / year list which comes from factory records - it was compiled by collectors and thus might contain some inconsistencies.

I would only consider having them repaired or cleaned if they are either out of collimation or have visible dirt and you plan to use them...

Joachim
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Old Thursday 28th March 2019, 18:38   #39
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"First of all, everything I've read since posting says that they're exceptionally rare. Secondly, the pictures I've found don't look exactly Luke mine. Not sure mine are quite as squat. The eyepiece build looks different on mine too."
- Zeiss made two versions of the Delactem: the first one in 1930 when the model was introduced and a second in 1937 which was squatter looking having a shorter body and shorter eyepieces.

Regarding year of introduction - Usually collectors lacking other sources have to resort to historical catalogs, brochures and newspaper advertisements to date the introduction of old model binoculars although these methods may not always be accurate. Concerning Zeiss binoculars Dr. Hans Seeger has written two meticulously researched and voluminous books (unfortunately for English speakers mostly in German) about Zeiss binoculars 1894-1919 (2010) and 1919-1946 (2015) of which I have attached a picture of my copies (the papers you see sticking out of the books are my German to English translations). Dr. Seeger researched Zeiss workshop records in addition to other primary source documentation to determine when many of the different Zeiss model binoculars were introduced (and there were a bewildering number of different models) and the characteristics of these models. The Zeiss workshop records he used and which are reproduced in the books also provide definitive information about serial numbers and years of manufacture. Previously, the best Zeiss serial number information was the europa.com listing which although still useful and generally accurate cannot be used to accurately date Zeiss binoculars made between 1894-1907 and does not include a second “short number” serial number series used by Zeiss during WW 2.
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Old Tuesday 23rd April 2019, 13:42   #40
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Hello. I have just purchased a Zeiss 10 40 BGAT Classic. The serial number is 2182603. Can you please tell me in which year they were made?
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Old Tuesday 7th May 2019, 18:42   #41
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Hello. I have just purchased a Zeiss 10 40 BGAT Classic. The serial number is 2182603. Could an expert in Zeiss binoculars tell me in which year they were made? Thank you. I have an other question please: Is it possible to equip these Dialyt with eyecups to improve vision comfort?
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Old Tuesday 7th May 2019, 19:23   #42
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Hi,

as Zeiss West serial numbers (unlike the Zeiss Jena ones) are not consecutive over all models but rather have limited number blocks reserved for the different models, we need s.b. with access to factory records here... this means either Gary (who used to work for Zeiss, among other optics manufacturers) or Lee, who seems to have good contacts to Zeiss.

Hopefully one of them eventually sees this - but please don't press the matter - those nice guys do this on their free time. Or you could try to contact Zeiss yourself under https://www.zeiss.fr/sports-optics/f...e/contact.html

As for eyecups, your pair of BGAT 10x40 should have foldable rubber eyecups like you can see in this image:

https://www.flickr.com/photos/[email protected]/12468377883

If not, you should contact the seller about this as the sale was fairly recent or you could ask Zeiss, if they can sell you replacement ones. It is not possible to easily retrofit this model with twist-up eyecups, if you meant that.

Joachim
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Old Wednesday 8th May 2019, 19:15   #43
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Thank you Joachim.
I have asked to Zeiss but they don't ansmer me. I think it could be one of the last model producted. Classic model. They are in very good condition, near new and boxed. I would like to equip them with winged eyecups if winged eyecups exist for 10 x 40B Dialyt.
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Old Wednesday 8th May 2019, 22:29   #44
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Quote:
Originally Posted by apuapu25 View Post
Thank you Joachim.
I have asked to Zeiss but they don't ansmer me. I think it could be one of the last model producted. Classic model. They are in very good condition, near new and boxed. I would like to equip them with winged eyecups if winged eyecups exist for 10 x 40B Dialyt.
I don't think yours is one of the later models, does it have the T*P* on
the hinge?

I have information on a couple of 10x40's.

Ser. #'s starting with 252----, was made in 2001
and another 285----, was made in 2004

The last year of mfr. was 2004 I believe, but maybe someone can clarify that.

Jerry
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Old Wednesday 8th May 2019, 22:51   #45
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It is a later model - Zeiss badge has no country of origin.
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Old Thursday 9th May 2019, 00:26   #46
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James:
The Dialyt models were all made in Germany.

Jerry
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Old Thursday 9th May 2019, 06:40   #47
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Quote:
Originally Posted by apuapu25 View Post
Hello. I have just purchased a Zeiss 10 40 BGAT Classic. The serial number is 2182603. Could an expert in Zeiss binoculars tell me in which year they were made? Thank you. I have an other question please: Is it possible to equip these Dialyt with eyecups to improve vision comfort?
Hi

Only just seen this. Give me a few days and I will try to get date of manufacture.

Lee
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Old Thursday 9th May 2019, 12:18   #48
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Quote:
Originally Posted by apuapu25 View Post
Hello. I have just purchased a Zeiss 10 40 BGAT Classic. The serial number is 2182603. Could an expert in Zeiss binoculars tell me in which year they were made? Thank you. I have an other question please: Is it possible to equip these Dialyt with eyecups to improve vision comfort?
Zeiss Wetzlar confirm the date of manufacture is 1998.

Lee
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Old Thursday 9th May 2019, 16:36   #49
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Lee,

Thank you very much for you help.
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Old Thursday 9th May 2019, 16:49   #50
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James:
The Dialyt models were all made in Germany.

Jerry
Jerry for a time in the logo the name ZEISS had 'West Germany' written underneath it and then just Germany and today no reference to Germany at all.

Lee
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