Lummer, O. (Otto), 1860-1925, Thompson, Silvanus P. (Silvanus Phillips), 1851-1916 · London, New York, Macmillan and Co., 1900 · leaf 106
LUMMER’S PHOTOGRAPHIC OPTICS 90 CHAP. depicts a non-convertible form of Stigmatic lens (Series III.), having aperture-ratio //7‘7. In this form the front component … Fig. 36. — Back Component of the Fig. 37. — Dallmeyer non-convert- Dallmeyer Stigmatic used as a ible Stigmatic Objective (Series single lens. III.) is that containing a positive air -meniscus, while the back component is cemented. The (Jooke-Taylor Lenses Mr. H. Dennis Taylor, of the well-known…
Photographic optics
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
