Photographic optics and colour photography : including the camera, kinematograph, optical lantern, and the theory and practice of image formation (1909)
Johnson, G. Lindsay (George Lindsay), 1853-1943 · New York : D. Van Nostrand Co. · leaf 163
PLATE IV, Fig. 94. — Photograph of the image of a star taken with a 24-in. refractor, showing a perfectly corrected lens a little out of focus. Fig. 99. — Appearance of coma and astigma- tism together. Fig. 98.— Appearance of high degree of coma. … To face p. 136.]
Photographic optics · Color photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
