Navy binoculars DF 10x80 with inclined eyepieces, Zeiss, Jena, 1943SN 180510. Type plate removed. Original light-grey painting with some touch-ups. 20° inclined eyepieces. Foldable headrest with soft rubber pads on both the small and large headrest. Diopter adjustment on the right a bit tight, the left one stuck, the right one with original eyecup. The attachment screws of the eyepiece mount sealed with rubbery substance. Desiccators. Four connectors for desiccating apparatus, on the eyepiece marked "Luft-Auslass", on the lense end "Luft-Einlaß". The device had positive pressure of 0.1 atm. Graticule on the left side (circle with center cross), illuminated. On the left hand side a knob to switch colour filters , marked "Farbglaswechsler", with a selecting lever for day- and night position, marked "Tag/Nacht" (in setting "Tag" an orange filter can be set). On the right hand side a knob to adjust the eyepiece distance, marked "Augenabstand". Weather shields can be flapped up, hinged locking latches, both with foldable covers. Quick sight on the right tube. The threads for the mounting on the base sealed. A precision adjustable deck mount is attached, unpainted steel (reproduction). Moderate signs of wear and use. Transparency 1. Production in 1943 in a batch of 1,050.Condition: I - II