An introduction to the science & practice of photography (1891)
Jones, H. Chapman (Henry Chapman), 1854- · London : Iliffe & Son · leaf 133
as he is able, to introduce it to the world as a new instrument. Steinheil's " aplanats " and Dallmeyer's "rapid rectilinears " were the first lenses of this character introduced. It appears that both opticians worked simultaneously in the invention of this lens, and that Steinheil was the first to… … Fig. 29. bination, that its reflecting power may be diminished, and any tendency to flare reduced. See figure 29. The nature -I Fig. 30. of the rapid lens is sufficiently indicated by figure 30. Steinheil also introduced large angle aplanats, in which
Photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
