The following still camera Ektars were documented in the Kodak Data Book: Lenses Shutters and Portra Lenses, Fifth Edition, 1955.
This logo is a link to a lens test by Chris Perez.

38mm slipon adapter ring, Ser VI.
Magnesium fluoride coated-'Lumenized'

There was also, apparently, an f/3.7 107mm Ektar that was reportedly a Tessar design. This lens is not included in my © 1942,1945 edition. §

Flash Supermatic
Synchro-Rapid 800
#0

33mm slipon adapter ring, Ser VI.
Magnesium fluoride coated-'Lumenized'
Back Focus: 90mm
Mounting hole: 1 3/8 in; 34.8mm

†
Occassionally Kodak lens designers reversed the elements in the rear group of the Tessar design so that the positive element was next to the stop. This arrangement was used for the 50mm f/3.5 Ektar for the Ektra and in the 50mm f /3.5 Anastigmat Special on the Kodak 35.

‡ These lenses were later offered in Synchro Compur shutters. Kodak data books no longer included lens
   and shutter data for professional cameras after 1952, so do not reflect these later Ektars for press and
   view cameras. Later examples of the 101mm f/4.5 and 105mm f/3.7 may have been sold in Compur shutters,
   though I have not seen any.

§
Date: Sat, 05 Sep 1998
From: "R. Peters" torx@nwrain.net
To: Robert Monaghan rmonagha@post.cis.smu.edu
Subject: Re: thanks Re: Slide Projectors
....
One note on the 105mm f3.7 Ektar... It is easily confused with the 107mm f3.7 Kodak Anastigmat which I believe
was prewar, and I think it was a 4 element lens rather than a 5 element Heliar copy. Kodak put out a booklet
called, I believe, Kodak lenses & shutters or something like that. Showed the formulas (formulae?) for most of
the Ektars.
bob.