Talk:Ektar

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ISO 25 version

I miss the ISO 25 version of this film, it was the greatest consumer film ever. The pictures were so detailed, perfectly contrasted, beautifully colored, and could be blown up to poster size with no problem. With rare exception, the manufacturers have yet to surpass Ektar, particularly with regard to resolution. The current Ultra Color series does a pretty good job with colors, but just can't match that resolution of the old 25. I'm not holding out any hope that Kodak will develop any more films (even a different speed of a current film) with the onset of the digital age.

Kodak claims that the new Ektar 100 has the same grain as the old Ektar 25, but two stops faster. -Rmalouf (talk) 03:51, 5 March 2014 (UTC)[reply]

Source for what Ektar means

Can anybody get a citation for where the Ektar name comes from? It appears dubious that Kodak would use Tessar, a name of a Zeiss lens, as a base for the name of a film emulsion. 64.56.156.66 (talk) 20:36, 4 June 2012 (UTC)[reply]

I added two sources. Yohowithrum (talk) 06:21, 15 November 2012 (UTC)[reply]

Kodak used "Ekt… " branding on numerous products over the years: Ektra rangefinder camera, Ektachrome film, Ektagraphic projectors. None of these related to the Tessar lens design.

The convention of ending lens type names in " …ar" was widespread across numerous brands e.g. Voigtlander Heliar, Leitz Elmar, Canon Serenar, etc.

The Lomography source (Wayback machine) is not correct in implying all Ektars were of the four-element, three-group Tessar design. In fact this is contradicted by the graflex.org source which 2/3rds of the way down the page has a bulleted list showing some were 5-element Heliar type designs and others double-Gauss. The WWII Aero Ektar was seven elements. Kodak used the branding "Ektar" for any of its professional-quality lenses regardless of optical formula.

This description indicates the first use of the Ektar branding was on a 6-element f/2 lens (presumably double-gauss, not tessar) and this diagram shows only one of the 1941 Ektars is a Tessar type. It is clearly a myth that the brand Ektar ever specifically referenced the Tessar design. Voxphoto (talk) 00:07, 19 February 2020 (UTC)[reply]

This 1949 Kodak ad explicitly states that "Ektar" was a branding mark for their best quality lenses, not a specific optical formula. This 1941 technical publication gives a better view of the lenses introduced with the Ektra rangefinder and only one is a Tessar configuration. The f/2.0 45mm on the facing page was the Bantam Special lens, first (1936) use of the Ektar branding; its optical formula would best be described as a "Biotar" type. Voxphoto (talk) 16:54, 19 February 2020 (UTC)[reply]