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Regular price $275.00 USD (R5,003.79)BD 25 Compacts Have ED Glass and Fully Multi-Coated OpticsC3 Coating on Phase Corrected PrismsUltra Compact and LightweightWaterproof and FogproofMade in Japan
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The history of the Carl Zeiss Binoctem 7x50 model goes back to 1919. In that year the Carl Zeiss Binoctar 7x50 was launched - optically the same device but with an individual focusing system. The Binoctem model, featuring a bridge and the central focusing, hit the shelves in 1931. In 1937 both 50x models underwent a slimming treatment because the metal used for their casing was changed. As a result, the weight of the Binoctem decreased from 1300 grams to 860 grams (only to rebound later to 1010 grams).After the war, when the Carl Zeiss Jena plants happened to be on the territory of the German Democratic Republic, the production of both binoculars was continued. The main difference was the implementation of single-layer antireflection coatings.The production of Binoctar was ceased in 1971 so it didn't live through long enough to see multilayer T3M coatings (implemented in 1978). The Binoctem 7x50 was produced with its sibling Jenoptem until 1990 so reaching the time when the plant in Jena was taken over by the Analytik Jena company; they have been producing Docter binoculars ever since.The model we tested here is an old construction from 1968. Despite its 40+ years, this pair of binoculars remains in great working order. As the multicoating's weren't used at that time, the device features ordinary bluish single coatings.The buyers got a leather strap, and a hard case with its own strap. There were no caps for eyepieces or objective lenses.
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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.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 as this one has.With this binoculars you get a thin strap and a small soft case.
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The binoculars went for a service at Zeiss, I will include the invoice to the buyer.Work to be carried out as found per service department:1. Strip and replace all parts. Set, service and clean.2 X Rings 523504-0114.2 X Eyecups 529352-0000.2 X Eyepieces complete 523508-9004.2 X lockrings 523504-0112.All photos are of the actual binoculars.Compact glass for travel, bird watching, stalkingRobust housingLarge field of view
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Minox BD10x25 P Binoculars Germany Compact Binoculars ExcellentSuperb Pair of Binoculars Made in Germany by MinoxCrisp Clear Image Beautiful Design Compact Size10x25 Comes with Case
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l will supply the invoice from Zeiss as proof of service.The size is 10x50. 10x magnification with 50mm objective lens.The field of view is 128m/1000m. It has excellenttwilight performance.The internal name "Astroplanar" is based on thenewly developed 2-1-2 eyepiece construction of the same name. In addition to the special eyepiece,it also has achromatic lenses with an air gapbetween the two lenses. Both components together createan unsurpassed, three-dimensional image quality!Width = 20 cm, height = 14 cm, weight = 1100 g.
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