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Carl Zeiss Jena Dekarem 10 x 50 Binoculars & Original Case, 1965. No: 3404516. Made in DDR. A magnificent example of this magnification glass made by Carl Zeiss Jena.The optics are clear and bright. Photos taken down the lens were on a particularly grey English late autumn afternoon. Focusing rings are silky smooth as you expect from such high quality manufacturing.Cosmetically in excellent condition for their 54 years. The majority of the wear is to the lens caps, as can be seen in the photos.Please note photos 9 & 10 are taken down each eyepiece so you can see any imperfections. These images have not been altered in any way such as straightening, filters, cropping or instant fixing. I also never edit any images of the lenses themselves. Please see all photos using the zoom function available, as they constitute the item description.International GSP postage can be combined. However, you must contact me regarding the items before making a purchase.Please note, I only ship internationally via eBays GSP service, as the U.K. does not provide a fully tracked service. Check out my other listings for more collectables.If you have any queries please don’t hesitate to contact me.About Carl Zeiss Jena Jenoptem 8 x 30 Binos:The Carl Zeiss Jena Deltrintem 830 set of binoculars and its version with individual focusing called Deltrentis were produced practically ceaselessly in Jena from 1920 to 1990. In 60s, 70s and 80s of the 20th century the Jenoptem 8×30 model was manufactured along with the Dletrintem model. Most probably it was the instrument of identical construction but for the civilian market.
Both the Deltrintem and the Jenoptem are classic devices with achromatic objectives and Porro prisms. At first those binoculars were equipped with a 4-element eyepiece without any anti-reflection coatings. During the WWII the producers started to cover their air-to-glass surfaces with a single anti-reflection layer of magnesium fluoride. In 1947 the binoculars got a new Erfle 5-lens eyepiece which was supposed to give a wide field of view with a minimum distortion level. In 1978 they started to use new multilayer coatings with a characteristic orange-purple hue.Around 1990 when the Jena plant was taken over by the Docter company, the binoculars not only didnt go out of production but even were given improved multi-coatings. Its production, already under the Docter brand name, ceased only ca.1995.
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Category: Cameras and Photography:Telescopes and Binoculars:Binoculars and Monoculars
Location: Chester, Cheshire