-
antecedents and
evolution Cooke triplet (Taylor, 1893, per US 568,052)
Ultrastigmat (Minor, 1916, per US 1,360,667)
Ernostar f/2.0 (Bertele, 1923, per US...
- of the Ernostar [de] design. Its
basis was the
optical scheme of the
Ultrastigmat cinema lens, a
modified Cooke triplet,
which had been
developed by Charles...