- #CP GOERZ BERLIN SERIAL NUMBERS SERIAL NUMBER#
- #CP GOERZ BERLIN SERIAL NUMBERS PROFESSIONAL#
- #CP GOERZ BERLIN SERIAL NUMBERS SERIES#
Keeping in mind that Kodak produced a staggering number and variety of lenses, and that these naming categories were phased in over time, the following categories are not without exceptions:Īccording to Kodak, there had been a growing demand, especially from those doing precision photographic work of a specialized nature, for lenses which met the most exacting requirements. These in particular represented an optical improvement over the usual anastigmat. The first category introduced was the Kodak Ektars.
#CP GOERZ BERLIN SERIAL NUMBERS PROFESSIONAL#
the professional large format Kodak Anastigmat f/4.5 lenses) retained their original naming conventions. Beginning about 1935, with the advent of practical color photography, Kodak began classify lenses into tiered categories, though some existing lens lines (i.e. Until the mid 1930s, even Kodak's best lenses were simply called Kodak Anastigmats. Lenses for camera purposes are described here from the standpoint of general groups. Kodak lenses were made not only for still cameras but also for enlargers, slide projectors, and for Cine-Kodaks and Kodascopes. Instead, the name used was a marketing device indicating the relative quality of the optic.īy the 1930s, all Kodak lenses, other than those of small (f/stop = f/8 or less) aperture, were anastigmats. The names Eastman Kodak used for their lenses had little correlation the lenses' configuration or aperture. Kodak lenses were made in the US, UK and Germany. However Kodak used the termm anastigmat and later Ektar to cover a number of different lens designs from plasmats, wide angle and telephoto lenses.
The majority of early Kodak Anastignmat lenses were of Tessar design and after WWII were coated and renamed as Ektars. These lenses were in production until the late 1940's when they were coated and renamed as Ektars, the Kodak Ektar f/7.7 203mm remained in production into the 1960.
#CP GOERZ BERLIN SERIAL NUMBERS SERIES#
These 4 element Dialyte lenses introduced in 1914 had an aperture of f/8, the following year, the Series II lenses were introduced with apertures of f/7.7 and focal lengths of 170mm and 203mm. Kodak sourced lenses from a number of manufatcturers an there were some Taylor, Taylor, Hobson Ltd Cooke Kodak Anastigmat lenses as well.Ī smaller group of lenses of Dialyte design were also labelled as Kodak anasigmats, these were similar to the Goerz(Berlin) Celor which Kodak had used on some cameras prior to WWI. Some Zeiss Kodak anastigmats appear on cameras made between 1909-13 such as the No. In the later part of the 19th century and beginning of the 20th century, Kodak cameras typically came with either simple meniscus lenses, dual meniscus lenses (periscopic type), achromatic meniscus lenses, or better lenses from third parties such as Bausch & Lomb's Rapid Rectilinear.Įastman Kodak began selling Bausch & Lomb f6.3 Tessar lenses in Optimo shutters on Autographic cameras in 1914, in the UK and European market these were labelled as Kodak Anastigmats and the Optimo shutter renamed Velosto, they were also sold as Zeiss Kodak Anastigmats. 3 Kodak Anastigmats / Anastons / Ektanons.2 Kodak Anastigmat Specials / Anastars / Ektanars.Queen & Co., Inc., Priced and Illustrated Catalogue of Opera Glasses, Marine and Spy-Glasses, Binocular and Astronomical Telescopes (Philadelphia, 1899), p. The Triëder binoculars were available in powers of 3, 6, 9 and 12, and were advertised as being were “small as an opera glass” and “more powerful than the largest field glass.” It began making Galilean binoculars in 1891 and prism binoculars in 1896. Goerz Optical Institute) was formed in 1890. The carrying case is leather with a dark velvet lining.Ĭarl Paul Goerz began in business in Berlin in 1886. Another wheel adjusts the distance between the two halves of the instrument. There is a set of wheels in the center that adjusts the focus. The eyecups seem to be of a plastic material. The word “RESARD” scratched into this cross-frame may refer to an early owner.
#CP GOERZ BERLIN SERIAL NUMBERS SERIAL NUMBER#
The cross-frame at the eye end is marked “9X” and “GERMANY.” The “22700” on the cross-frame at the field end is a serial number indicating a date of around 1900. GOERZ BERLIN.” That on the right is marked “TRIEDER” and “BINOCLE” with the trademark initials “C.P.G.” between.
The eye end of the left prism housing is marked “C. This is a 9 power instrument with objective lenses 23 mm diameter.