Question about Zeiss Microscope

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I have an older Carl Zeiss Jena microscope Micrometer that has developed a mechanical problem. When I turn the knob one way, it pushes the crosshairs to the far left of the field of view. When the knob is turned in the opposite direction, the knob moves fine, but the crosshairs remain stationary at the left of the field. What do I need to do? Thanks, -John

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  • rnmconstruct Dec 24, 2010

    Are you saying that as you try to position the micrometer with the stage controls it will move one way but not the other?

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Send the microscope to a Delta Optical Instruments, Inc. for an estimate and repair. Email: robin@deltaoi.com

Posted on Dec 25, 2010

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I have a carl zeiss jena 8x30 serial # 124690 what year is it


You likely have a set built between 1919 and 1930. If you go to this site (
The history of the telescope the binocular ) and scroll down (or search) to areas with Zeiss Binoculars, there are a number of files that have the information on runs. In my case, I looked at the Spreadsheet attached to the Zeiss Binocular Models entry, which , between lines 150 and 168, notes that binocs with the Lena logo were made from 1904 to 1945, and that serial numbers above 1 million began in 1919 and above 1,550,000 began in 1930, putting your pair in there more or less in the middle.

Cheers!

Nov 06, 2015 | Zeiss Optics

2 Answers

What does 'jenoptum' mean?


Thanks for the research op ... interesting ... ok ... check link below ... http://www.holgermerlitz.de/seven8x30.html
"Jenoptem" is the name given to a civilian version of the Zeiss Jena Deltrentis 8x30 binocular of Porro prism design

Jena, Germany ... incidentally is where Carl Zeiss AG was founded (1846)

Made a leap of faith with regards to spelling "Jenoptem" vs. "Jenoptum".

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I have a pair of Carl Zeiss Jena/Stenor #396825 X5 these binoculars also have a leather case..... both in really good shape. Looking for the year and how much are they worth???

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1 Answer

Dear Sir,I would like to ask you to help me with determination of old Carl Zeiss Jena binocular 15x50. If you send me e-mail adress I can send you photos. I can not find similiar piece 15x50 in the Zeiss...


Carl Zeiss Jena is East German manufacture, that is why you don't find it in the Zeiss catalogue (it isn't Zeiss). It is also almost certainly post-war, as there was no East Germany before WW2.

Carl Zeiss Jena made inexpensive optical equipment for export to the West. The optical quality was fairly high, but not as good as the West German Zeiss, and the finish was less good.

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1 Answer

I have Zeiss Jena Dekaris 10x50 ser 1740081 what


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If you're interested in the company history, have a look on wikipedia or check out the website of the Zeiss Historica Society
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Jenoptem alignment- how to get the images to line up in each ocular


Unfortunately if they are out of alignment you need to take them to a service center. It can't really be fixed at home without a device known as a collimator. Binoculars can fall out of collimation if they have been knocked or dropped. Jenoptems were made by the defunct East German Carl Zeiss Jena. Zeiss was split in two after WW2 with Jena being on the east. The current Zeiss firm is the West German company. Zeiss Jena ceased to be after the fall of the Berlin Wall. It is unlikely that the current firm would fix these for you. If they did the price would be greater than several pairs of Jenoptems.

Before you do take them check to see if they have a seven digit serial number. If it is six digits they are fake Jenoptems. There were many fake Jenoptems sold in the eighties by UK dealers. There is even a myth that they were made under licence in Japan. A myth is all that information is. There is no documentation to substantiate this and was probably spread by sellers trying to legitimise an inferior product.

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Logitech carl zeiss webcam installer


Download from here:

http://driver.wareseeker.com/free-carl-zeiss-jena/

Carl Zeiss AxioCam MRc5 6.1.0.0

If this does not match your exact camera, please respecify your exact camera.

Please don't forget to rate the solution.

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1 Answer

Stage slowly falls causing unfocus


Try holding the Right knob so it does not move, whilst firmly moving the Left knob towards you (clockwise), this is the adjusting method used on Zeiss Jena 1960's High End microscopes, e.g Eduaval & Ergaval.
Good luck,
Alan Mowle

Mar 05, 2009 | Science & Laboratory

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