Carl Zeiss Jena Deltrintem 8X30 Binoculars Serial Numbers
Find great deals on eBay for carl zeiss jena deltrintem 8x30. Binoculars Carl Zeiss Jena Deltrintem 8 x 30. 1907 Carl Zeiss Jena 6x30 binoculars Serial. Posted: Thu May 01, 2008 11:07 am Post subject: Carl Zeiss Jena lenses Issue date by serial number. The Carl Zeiss Jena Deltrintem 8x30 binoculars and its individual focus version, known under the name of Deltrentis, were produced in Jena from 1920 to 1990 practically without cease. These are classic Porro prism instruments with achromatic objectives.
German binoculars in great used situation and full working order. The purposeful lens and prisms are clean and apparent with no házing or any fungus but the left hand inner lens provides a chip on the edge (find pictures).
I perform not think the functionality is in any way affected. The images are sharp and the centering is good and there is no dual image. Made in Australia in the past due 60's i9000. Optically the efficiency of these binoculars can be very good indeed. Unique neck strap, not primary case. Good cosmetic condition with satisfying patina of decades of make use of. A great pair of classic binoculars, nevertheless good for use or a extractor.
These are usually Carl Zeiss Jéna binoculars. With 8X32B zoom.
In black with focal systems that nevertheless function. The presence of the binoculars will be still generally good, though occasionally a little bit blurry and the lenses are very dusty. Comes in a brown leather have situation and provides a neck strap attached.
The binoculars look in great situation; there are usually some scuff marks to the body and paintwork, and dirt. The case has browning at the back hinge, and offers some scratches to the buckskin, and the neck strap is usually well used with a lot of cracks and peeling. See more with Carl Zéiss binoculars Whén it arrives to binoculars, Carl Zeiss can be a very safe wager indeed.
Having long been in lifetime since thé mid-1800s, the brand name is synonymous with strength, cutting-edge technology and exceptional quality. Check out out the huge variety ZEISS of binoculars and add-ons right here on eBay.
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The Carl Zéiss Jena Deltrintem 8×30 established of binoculars and its edition with individual focusing called Deltrentis had been produced practically constantly in Jena fróm 1920 to 1990. In 60s, 70s and 80s of the 20th hundred years the Jenoptem 8x30 design was produced along with the Dletrintem model.
Most most likely it has been the device of similar construction but for the civilian market. Both the DeItrintem and the Jénoptem are usually classic products with achromatic goals and Porro prisms. At first those binoculars were equipped with a 4-component eyepiece without ány anti-reflection films. During the WWII the producers began to cover their air-to-glass areas with a solitary anti-reflection coating of magnesium fIuoride. Hp nokia jadul. In 1947 the binoculars got a brand-new Erfle 5-zoom lens eyepiece which had been intended to provide a wide field of view with a minimum distortion degree. In 1978 they began to make use of new multilayer coatings with a characteristic orange-purple color. Around 1990 when the Jena vegetable was used over by the Docter corporation, the binoculars not really just didn't move out of manufacturing but actually were provided improved multi-coatings.
Its creation, currently under the Docter brand name name, stopped just ca.1995. The specimen, tested by us, acquired the serial amount of 6173583, which means it was created in 1985. The binoculars function the newer multi-coatings after that. In the collection with the binoculars you get a thin band and a small soft case. Real front lens diameter Left: 30.05+/- 0.05 mm Best: 30.02+/- 0.05 mm 8 / 8.0 pkt Genuine zoom 8.12+/- 0.17x 3/3.0 Transmitting 91+/- 1.5% 13/15.0 Chromatic aberration In the center corrected between good and typical; not extremely higher on the advantage.
6.5/10.0 Astigmatism Slight. 6.9/10.0 Distortion The distance between the first curved series and the industry centre likened to the field of view radius: 31% ± 3% 3/10.0 Coma Significant 'range' on the advantage 5.3/10.0 Blurring at the advantage of the F0V The blur happens in the range of 62% ± 5% from the field of watch center. Metal gear solid 3 rom.
1/10.0 Darkening at the edge the FOV Minor. 4.1/5.0 Whiteness of the image Distinct red.
The transmitting curve reaches its maximum near 550 nm. 1.2/5.0 Collimation Great. 5/5.0 Internal reflections Left: Right: A great deal of reflections from the area near prisms 1.6/5.0 Housing A traditional Porro device with the ocular connection. Comfortable to hold.
The eyecups are a bit too small and not governed. The binoculars are neither waterproof not nitrogen-filled. Physically lighting and ready. 7/8.0 Focusing Little central steering wheel (full turn of 400 levels) Techniques smoothly and evenly. The binoculars doésn't defocus undér pressure. The connection moves slightly sideways.Specific focusing on the right eyepiece.
It moves the outer zoom lens. 4.1/5.0 Tripod Zero.
In the 8×32 binoculars' check we awarded all equipment the same, average value of 1.5 points as a tripod leave in this class of tools is hardly ever used. 1.5/3.0 Interpupilary range from 45.5 to 75.9mmichael 6/6.0 Closest focusing range 1.95 michael 1.5/2.0 Eyepieces FOV Apparent industry of see of 68.3 degrees 8/10.0 Field of watch Assessed by us amounted to 8.41 ± 0.03 degrees and it has been a bit smaller sized than in the specifications. A really large field for this class of parameters. 7.5/8.0 High quality of the inside of the barrels Internal tube dark, ribbed, somewhat gleaming.
You can't discover any glue or screws. Isolated specks of dust on thé prisms. 3.2/5.0 Vignetting Still left: Best: Slightly truncated pupils. OL: 3.8%, OR: 3.1% 3/8.0 Prisms high quality Good quality BaK-4 8/8.0 Antireflection films Bluish on éyepieces and prisms, orangé-purple on objectives.
Medium strength. 4.5/5.0 Warranty decades 1 1/6.0 Last result.
Overview Advantages:. classic and solid casing,. quite wide field of view,. higher transmission in the centre of the visible spectrum,.
minor astigmatism,. chromatic aberration managed quite very well,. very wide IPD range,. great high quality BaK-4 prisms. Negatives:. significant blur on the edge of the industry of view,.
clearly yellowish image,. noticeable distortion,. a great deal of reflections coming from the area near prisms,.
brief attention relief,. slightly truncated pupils. In our test of 8x32 class binoculars we couldn'capital t leave out the traditional Zeiss tools from Jena.
Carl Zeiss Jena Deltrintem 8x30
They had been produced in such a massive number that you can still buy a set of these in good condition second-hand and the cost, varying from about 50 to 150 Euro, is very affordable. We were inspired by interest how a place of binoculars, created over 20 or 30 years ago, compare with those currently produced; we furthermore deeply thought that they had been still able to outperform contemporary instruments produced in China and taiwan. Time for a fact check. Not really so long ago we released the check of its twin sibling, the Deltrintem 8x30. Its outcomes are in several categories practically the exact same as the Jenoptem, examined today. The overall result, achieved by these both tools differs in 0.4 of a stage, which is certainly a minimal value taking into accounts measurement errors and the reality, that these binoculars have got had many owners so far. Because their performances, looks and parameters are therefore similar possibly nobody will be amazed that a substantial component of the overview is also the same as in the check of the DeItrintem.
Two Zeiss 8×30 binoculars from Jena - on the left Jenoptem, correct Deltrintem. Allow's begin with evident benefits.
The tested place of binoculars can be 25-year-old. Despite that it is certainly in close up to perfect situation - also much better than the Deltrintem examined some time back. Its optics will be in similarly good shape than the covering.
Carl Zeiss Jena Deltrintem 8x30 Pre Wwii
The lenses are clean and flawless, without any mould within. There are some specks of dirt on thé prisms but it is certainly quite understandable taking into account the age group of the gadget. Its condition spots the workmanship high quality in a quite favourable lighting - after next twenty five yrs the Jenoptem 8x30, tested right here, will look still the exact same, delivering it can be utilized in a equivalent method of training course. I doubt whether any modern product produced in China and bought for a amount not going above 250 European is able to survive equally well actually a very much shorter period of period. The following advantage is definitely the field of see. Once a huge field of watch measured a lot and the Jenoptem features like a function. It is definitely nearly by fifty percent a level wider than the widest field of see found in modern competitors, even those quite reputable.
The set of binoculars corrécts astigmatism and chrómatic aberration very properly. You can't grumble about the coma level too very much either. The variables, provided by the maker, are followed with ideal exactitude - the goal zoom lens's diameter and zoom are usually in compliance with the amounts in documents. The classic Porro prism building, not many optical components and multilayer films made the transmitting in the center of the visual spectrum rather higher, amounting to 91-92%. This result is quite great - in truth other cheaper roof-prism instruments can only fantasy of it. What's fascinating, this outcome is certainly about 1-2% lower than that of the Deltrintem.
Should we get worried about it? Equipment which have been saved and used in different circumstances for 25 decades can vary slightly when it arrives to the óxidizing of the films. A difference between specific specimen can become also a element right here - the binoculars from Jena had been actually mass-produced goods after all. Of course measurement mistakes could also add to that but their influence is almost all probably the smallest. The right colour performance can become a problem, even though, for Jenoptem ánd Deltrintem and other binoculars from Jena as well. In the 80s of 20th century the films were currently multi-layered but nevertheless optimized just for the centre of visual range. As a outcome the transmitting for yellow light is usually higher but for blue and reddish colored it turns into also by 20% worse.
That's i9000 why the picture is distinctly yellow. The effect was probably smaller than in the situation of one-layer coatings, utilized before 1978, but nevertheless it is too noticeable for modern criteria. As we've already approved to drawbacks, we must also mention the additional negative points.
The edge of the field of see, which will be not sharpened plenty of, and recognizable distortion can become certainly measured among them. What'h even more, the usage of like wide-angle eyepieces produced the exit pupils clearly truncated. Nowadays, most of binoculars, actually those cheaper ones (but I don't consist of right here market-bought specimens costing less than 50 Pound) are usually waterproof and nitrogén-filled. In thé situation of the Jenoptem 8x30 we can't count number on that. To amount up despite the passing of time the Jenoptem 8x30 seems to be nevertheless a really interesting option. Although you can obtain a discount, usually you must pay out for this gadget about 70-100 European, sometimes even 130 European. For such an quantity of money you would end up being hard-pressed to find a actually good 8x30 or 8x32 alternate, though, so the Jena item can still be attractive Carl Zeiss Jéna Jenoptem 8×30W and Steiner Night time Seeker 8×30 XP - German born Porro binoculars 25 years ago and today.
The danger, involved in purchasing anything second hand is certainly an issue, though. It occurs very frequently that a set of binoculars recommended by its seller as getting “in ideal condition” can be hardly described as like. This bad practice can be notoriously common.
Anyway if you choose to purchase something on the second hand marketplace you must give it your full attention - in any other case you might finish up delivering your bargain buy to an optics professionals and paying out extra cash for maintenance or cleaning up. I do recommend purchasing only from sources you can rely on and the immediate contact is generally the greatest.
You likely have a set built between 1919 and 1930. If you move to this web site ( ) and scroll down (or search) to locations with Zeiss Binoculars, there are usually a number of files that possess the info on works. In my situation, I appeared at the Spreadsheet attached to the Zeiss Binocular Versions entrance, which, between ranges 150 and 168, records that binócs with the Léna logo were produced from 1904 to 1945, and that serial numbers above 1 million began in 1919 and above 1,550,000 began in 1930, placing your pair in now there even more or much less in the middle. November 06, 2015. Unfortunately if they are out of position you need to get them to a provider center.
It can't really be fixed at house without a gadget recognized as a coIlimator. Gamespirit realtek mod. Binoculars can drop out of collimation if they have been knocked or fallen. Jenoptems had been produced by the defunct Eastern German born Carl Zeiss Jena.
Zeiss was divided in two aftér WW2 with Jéna becoming on the eastern. The current Zeiss company is usually the West German corporation. Zeiss Jena stopped to become after the drop of the Bremen Wall structure. It can be less likely that the current company would repair these for yóu. If they do the price would become better than many pairs of Jenoptems. Before you perform take them verify to find if they have a seven digit serial quantity. If it is usually six digits they are usually phony Jenoptems.
There had been many bogus Jenoptems marketed in the eighties by UK sellers. There is definitely actually a misconception that they were produced under license in Asia.
A myth can be all that information is definitely. There will be no documents to substantiate this and had been probably spread by retailers attempting to legitimise an inferior item. Jul 05, 2009.