Goerz Lens Serial Numbers

C.P. Goerz

1. Goerz Lens Serial Numbers
2. Goerz Lens Serial Numbers Online
3. Goerz Lens Serial Numbers Lookup
4. Goerz Berlin Lens Serial Numbers
5. Goerz Lens Serial Numbers 222

The serial number is 140390. Does anyone know of a site or other source which provides a cross reference between Goerz/Dagor serial numbers and year of manufacture? Right now I know that it is between 1892 and 1904. Kadhal Rojave Mp3 Song Download. The lens was finally completed on September 23rd at 3.47pm 1903. The positive lens can be either a conventional prime lens such as a Tessar or Protar, or a specialist group called the Tele-Positve. Some tubes had iris diaphragms and shutters fitted. This example is a Tele-Negative attachment in a tube with removable focusing mount. The likely positive lens would have been a Tele-Positive of 135 mm focal length. It will have a tractor number, unit number and model number. Check iPhone imei or Serial number for any APPLE device. Wilson & Sons - Ottawa) (Click PIC to Enlarge) (Click PIC to Enlarge) Ross was licensed to make lenses to Goerz's patents Serial number probably for accounting royalties to Goerz Ross Zeiss Anastigmat 11. The lens (Serial number 484725) is an air spaced 60mm f/15 doublet in a cell. There are no scratches and the glass is in excellent condition. The optical quality of the images are likewise excellent. The handle of the long RA slow motion control is wrapped in leather. But note in the picture below that the serial number is the same engraved on the barrel and on the cells. So f6,8 or 1:6,8 is the lager aperture for this lens. The following figures, even in this Goerz scale, are very close to the regular series of f stops. The next 3 pictures.

Berlin

Germany

Series III No.4. f7.7, 240 mm

Iris diaphragm marked in Goerz scale 6 - 384 (f8 - f64). Brass mount. For whole-plate.

Goerz Lens Serial Numbers

Ross & Co.

London

England

Series III No. 1. f7.7, 6'

Waterhouse stops. Brass mount. For 5' x 4'

The Goerz Double Anastigmat was designed by von Höegh and introduced in 1892, from 1904 it was known as the Dagor. It proved very successful and was widely copied. The series III is a general purpose lens working at f6.8 in the shorter lengths and f7.7 in longer lengths. Available in sizes of 1 ⅝ - 35' (in the UK in 1900). The series IV was a modified design for copying and architectural use, working at f11 it was introduced in sizes up to 47'.

The Ross-Goerz lenses were made under license by Ross in London from 1893, they were replaced by Ross designed lenses in the late 1900s.

W. Watson & Sons

London

England

Series 1a. f4.6, 6 ⅛'

f4.6, 6 ⅛' combined; f8.5, 10' front and back groups. Iris diaphragm, two scales to f32 (combined lens) and f64. Sunk mount. For 5' x 6'.

The Holostigmat, designed by Conrady, is a combinable lens sometimes sold in sets providing several focal lengths.

The original model, series I of 1901, had an aperture of f6.1 and focal length of 4 - 12' when introduced, later increased to 20'.

This was followed by the series II at f8 in lengths 4 - 26 ½'.

The Ia, c. 1906, was faster at f4.6 with lengths of 4 ⅜ - 14 ⅔'.

Around 1906 a wide-angle model was introduced with lengths of 3.9 - 9.2'.

Lastly a series III for process work was introduced in 1911. Vreveal 3 premium keygen generator software. This had an aperture of f9.5, later f9, and lengths of 11 ¼ - 26 ½'.

The series II was discontinued in the late 1900s the other models with reduced focal length range were produced into the 1930s.

A.E. Staley & Co.

London

England

Goerz Lens Serial Numbers Online

Series IV. f6.5, 4 ¾'

Germany

Series III No.4. f7.7, 240 mm

Iris diaphragm marked in Goerz scale 6 - 384 (f8 - f64). Brass mount. For whole-plate.

Goerz Lens Serial Numbers

Ross & Co.

London

England

Series III No. 1. f7.7, 6'

Waterhouse stops. Brass mount. For 5' x 4'

The Goerz Double Anastigmat was designed by von Höegh and introduced in 1892, from 1904 it was known as the Dagor. It proved very successful and was widely copied. The series III is a general purpose lens working at f6.8 in the shorter lengths and f7.7 in longer lengths. Available in sizes of 1 ⅝ - 35' (in the UK in 1900). The series IV was a modified design for copying and architectural use, working at f11 it was introduced in sizes up to 47'.

The Ross-Goerz lenses were made under license by Ross in London from 1893, they were replaced by Ross designed lenses in the late 1900s.

W. Watson & Sons

London

England

Series 1a. f4.6, 6 ⅛'

f4.6, 6 ⅛' combined; f8.5, 10' front and back groups. Iris diaphragm, two scales to f32 (combined lens) and f64. Sunk mount. For 5' x 6'.

The Holostigmat, designed by Conrady, is a combinable lens sometimes sold in sets providing several focal lengths.

The original model, series I of 1901, had an aperture of f6.1 and focal length of 4 - 12' when introduced, later increased to 20'.

This was followed by the series II at f8 in lengths 4 - 26 ½'.

The Ia, c. 1906, was faster at f4.6 with lengths of 4 ⅜ - 14 ⅔'.

Around 1906 a wide-angle model was introduced with lengths of 3.9 - 9.2'.

Lastly a series III for process work was introduced in 1911. Vreveal 3 premium keygen generator software. This had an aperture of f9.5, later f9, and lengths of 11 ¼ - 26 ½'.

The series II was discontinued in the late 1900s the other models with reduced focal length range were produced into the 1930s.

A.E. Staley & Co.

London

England

Goerz Lens Serial Numbers Online

Series IV. f6.5, 4 ¾'

Iris diaphragm to f44. Magnalium mount. For 3 ½' x 4 ¾'.

Goerz Lens Serial Numbers Lookup

Goerz Berlin Lens Serial Numbers

Developed by E. Arbeit in Germany, introduced by Staley in November 1907.

Goerz Lens Serial Numbers 222