The eye and objective lenses are coated on the surfaces from inside of the binocular.
The coating applied on the binocular lenses is internal. It had coated optics, giving superior performance against uncoated models. Around 88 000 manufacture the color on the body and objective tubes was dark gray and on the top and the bottom plates and objective rings was painted black.
The first models of this binocular - rln, under about 85 000 serial numbers were painted black, and did not have coating on the lenses. The paint color is dark gray, which is hardly ever applied on the military model 10x50. The binocular is a little different from the model described above.
This model was produced by CZJ, It is marked in the war time code - rln. Pict 7 10x50 with the original case 8 the markings on the case 9 marking on the metal strap 9 belt loopġ0 x 50 Dienstglas rln gray model - Carl Zeiss Jena 1944 - Production number 100272 The case is fitted with the leather belt loop for carrying binoculars on the user’s waist belt. On the metal fastening clip is the producer code - frn 43 - Federn-, Draht- u.Metallwarenfabrik Rudolf Lang, Brandenburg/Havel, Koppehlstr.5-7. The case is embossed with Waffenamt control stamps WaA 14 with miniature swastika, year 1944 and unreadable producer mark, begins from letter K. It has an original war time leather case.
The binocular is in a very good condition. Height - 170 mm (6,69 in) Width over the prism house (fully extended) - 180 mm (7,08 in), underneath of the objectives - 200 mm (7,87 in). For instance, model 10x50 Decaris standard weight was 43 oz (1219 grams) but light version was 30,5 oz (864,66 grams) The weight of model 10 x 50 was reduced 30-35%. The leaflet to the Zeiss catalogues T 500 Zeiss catalogue T 500 E, edition VI 1931 (in our collection), Decaris and Dekarem models, in that cat. The following list shows the reduced weights and other changes that have taken place since the publication of the catalogue T500” Hunters, sportsmen, yachtsmen, racing enthusiast, travellers welcome this grate progress. In December 1936 to the Zeiss catalogue was add the leaflet, where was announced: “ By using a light yet strong metal for the bodies, Zeiss succeeded in reducing the weight of their Prism Binoculars considerably. The lighter model was produced from 1936. The models produced before the war with brass body are heavier (1200 grams). The binocular - weight 898 grams (115,7 lb).
The binocular is Porro I optical construction the eyepiece contains 4 elements, the objectives contains two cemented elements. Our binocular is not fitted with an original strap. It does not have an interocular distance scale on the hinge, as well, and any other markings. The binocular does not have a dioptre scale on the ocular tubes, it is only marked “+” and ” - “. Pict 6 a proper eyecups for 10x50 CZJ models The eyecups in our binocular are from other German binocular model. On the right plate is engraved - Dienstglas (Service glass), magnification, production number, war time code of a producer and kind of the grease used on the binocular. As the war time model, the left plate remands without the Carl Zeiss Jena logo. The binocular body is made of aluminium alloy with black textured paint.īefore the WWII the body was covered with leather. The field of view in linear at a distance of 1000 meters is 128 miters. Pict 1, 2, 3 ,4 10 x50 Dienstglas blc in our collection © Anna Vacani It does mean that grease applied on the binoculars is able to protect it from damages to a temperature up to -40C. The binocular is marked with small + ( Pict 1), which indicated that the binocular can be used in the temperature from (+) up to -40C. It is a military model, but our binocular does not have a reticule, as the majority German military binoculars do not have, at that period. The blc Dienstglas uncoated model was produced in large quantity. The model from early 1945 is in our collection and will be described on this page. This model was produced from 1920s through the WWII and after the war, for short time, from the remaining parts of the war. The optical design of all 10 x 50 Zeiss models are identical, including models marked blc and rln. Later on the CZJ binoculars were marked rln. The binocular was manufactured in 1943, by Carl Zeiss Jena as the production number indicates. Home Binoculars Cine Collection literature About Us Ask Expert Items for Sale FAQ Contact