-
Ultrastigmat (Minor, 1916, per US 1,360,667)
Ernostar f/2.0 (Bertele, 1923, per US 1,584,271)
Ernostar f/2.0 (Bertele, 1924, per DRP 458,499) Sonnar...
- lens
suitable for
candid available light photography was the
Ernemann Ernostar (Germany) of 1923.
Ludwig Bertele's
formula was
originally a 10 cm f/2...
- 1900) Voigtländer
Dynar (Harting, 1903)
Taylor Hobson Speedic (Lee, 1924)
Ernostar f/2.0 (Bertele, 1924)
Arthur Cox
noted that
anastigmat lenses were "almost...
-
plate or cut, sheet, film
camera called the Ermanox, ****ed with an f/1.8
Ernostar lens. The
Ermanox was
introduced by the Ernemann-Werke (Works) of Dresden...
- optics.: 34 In the same year,
Bertele would begin the
development of the
Ernostar [de] design. Its
basis was the
optical scheme of the
Ultrastigmat cinema...
-
significant designers was the ex-Ernemann man Dr
Ludwig Bertele,
famed for his
Ernostar high-speed lens. With the
advent of the
Contax by Zeiss-Ikon, the first...
-
double Gauss lens
offered by Voigtländer,
comparable to
Ludwig Bertele's
Ernostar, the
Leitz Summilux, and
Zeiss Sonnar. Ultragon,: 16–17 an asymmetric...
-
Ernemann AG (see
photography on the
Pentacon GmbH page). 1924 The high-speed
Ernostar lens
designed by
Ludwig Bertele of
Ernemann AG, was
first made in f/2,...
- Voigtländer
Heliar (designed by Hans Harting, 1900),: 106
Ludwig Bertele's
Ernostar (1919),: 111 and the
later Zeiss Sonnar (Bertele, 1929).: 112 All modern...
- / 180,
which is
believed to use the
redesigned Sonnar optical scheme –
Ernostar. The Jupiter-8 lens is
derived from the
Zeiss Sonnar design. It has six...
