Carl Zeiss Jena - Feldstecher vergr 8; 8x20 ca 1902
This model (in our collection) was built before 1904. The date of production indicates the descriptions on the plates which are in handwriting font. The production number suggests as it was produced ca. 1902-1903.
It is a civilian model. The military version is described as D.F.
Later models from 1904 had the modern style of Zeiss logo, shaped as the lens.
It was produced up to 1908.
Field of view of the binocular is 82 meters at 1000 meter.
Approximately, this model was produced in the amount of 60 thousand pieces.
External Features
The body is built from brass and aluminium, it is with leather covering.
The eyecups are made from ebonite. Every lens can be adjusted individually. On the focus adjustment rings are engraved graduation from -5 to +5 dioptre.
On the cover screw to axis is inter ocular distance scale (Pict 1). The adjustment of a distance between eyepieces is described on the page 2 of Educational tools produced by Carl Zeiss.
The Tommy bar is not in accessories with our binocular (Pict 3).
The binocular has straight prism housing covers, made from brass and black painted. The plates are fitted with three tightening screws.
The description on the left plate is Carl Zeiss Jena DRP = Deutsches Reich’s Patent (Patent of the German Reich).
The right plates – Feldstecher vergr 8 – Binoculars 8 magnification.
The objectives diameter is 20 mm.
The production numbers are placed on the folding bridge mount, as other early Carl Zeiss models – look German Binoculars page2. Dewalt dg7000b manual. The bridge and axes are made from brass. The number refers only to this model. The numbers began from number “1”. It is not a number of whole total Zeiss productions (Pict 4)
After WW2, Carl Zeiss at Oberkochen began a new series of numbers, probably at No1000 or 10,000 and as indicated above, these were normally also marked Opton and coated. The Opton mark lasted for most purposes until about 1953 at No1,100,000 but was used for many more years for items sold in the Comecon. Bausch & Lomb Optical Co., Pat. 3, 1876, Serial number 3340, The Universal model microscope with a nickel plated surface finish, c. 1885 Bausch & Lomb Optical Co. Rochester NY, 40018. Saint andrew daily missal pdf. The CCDS Continental Model Microscope, c.
Carl Zeiss Jena Microscope Serial Numbers
On the Stage top and to the left of the company name are also engraved the microscope production and the series (compound microscope) serial numbers too. Right: C Zeiss Jena company trade name engraved on Stage of microscope Nr. Exhibited at Company Seven (47,426 bytes). Click on image to see enlarged view in png format (106,586 bytes). Development and production of scanning electron microscopes, software. Address Carl Zeiss Microscopy Ltd. Zeiss House, Building 1030 Cambourne Business Park Cambridge, CB23 6DW United Kingdom. Carl Zeiss Promenade 10 07745 Jena Germany. Munich, Germany. Development and production of imaging software and digital microscope cameras.
Internal Features
The binoculars is prismatic with Porro I optical system. In the eyepiece is a doublet cemented eye lens and a single element field lens.
Max payne 3 bald. In the objective is a double element cemented achromat.
Zeiss Serial Number Production Dates
The binocular dimensions are:
Width fully extended, over the prism house – 140 mm (5 ½ in) and underneath of the objectives - 150 mm (5, 90 in); height - 110 – 120 mm (extended eyepieces).
The binocular weight is of 449 grams (0, 98 lb).