SUBJECT INDEX 



867 



Lenses, Simon Octanar, 42 



soft-focus, 50 



Stable (Staeble), 63 



Stable Neoplast, 48 



Steinheil, 53, 63 



Steinheil Unofocal, 44 



Steinheil Orthostigmat, 42 



stray light in, 22-23 



supplementary, 50-51 



Suter Aplanat, 53 



Sutton's panoramic, 38 



system of, magnification in, 16 



Taylor-Hobson, 34, 64 



Taylor-Hobson Aviar, 44 



Taylor-Hobson convertible, 42-43 



Taylor-Hobson Opic, 45 



Taylor-Hobson Speedic, 43, 44 



Taylor-Hobson Super-speed Panchro, 45 



Taylor-Hobson telephoto, 47 



Technicolor, 34 



telenegative, 47 



telephoto, 16, 46-48 



Tessar, 45-46 



tests for, 34-35 



thin, 15 



transmission of, 18 



Turner-Reich convertible, 41, 42 



Voightlander, 64 



Voightlander CoUinear, 41, 42 



Voightlander Euryskop, 53 



Voightlander Heliar, 46 



Voightlander Heliostigmat, 46 



Voightlander Tele-Dynar, 47-48 



Watson, 65 



Watson Holostigmat, 41, 42 



Wollensak, 65 



Wollensak Versar, 53 



Wray, 65 



Wray Lustrar, 44, 45 



Wray Platystigmat, 53 



Zeiss, 65-66 



Zeiss Biotar, 43, 45 



Zeiss Biotessar, 46 



Zeiss Convertible Protar, 42 



Zeiss Magnar, 47 



Zeiss Ortho Protar, 42 



Zeiss Orthometar, 43 



Zeiss Sonnar, 43-44 



Zeiss Tele-tessar, 47, 48 



Zeiss Triple-Protar, 41, 42 



zoom, 684 

 Light, actinic, 261 



definitions of, 261 



intensity and quality of, in determining 

 exposure, 217-219 



limitation of beam, 17-18 



nature and properties of, 10-12, 266 



photographic effects of, 268-273 



polarized, 12 



scattering of, by negative, 168-169 



solarspot incandescent, 689 



stray, in lenses, 22-23 

 Light beam, effect of inserting parallel plate into, 

 34 



Light-distribution diagram of high-intensity arc, 



692 

 Light filters, 292-317 

 Light fog, 520 



Light output of lamps, controlling, 284-285 

 Light reflection, from colored objects, 218 



diffuse, 262-263 



specular, 262-263 

 Light reflectors, 289-291 

 Light sources, artificial, 277-288 



carbon arcs, 285-286 



flashlight powders, 288 



moonlight as, 276 



natural, 273-277 



photoflood lamps, 282-285 



photographic, 261-291 



reflectors as, 289-291 



for sensitometry, 154-161 



spectral-intensity curves for, 271 



for spectroscopy, 819-820 

 Light spectra, 266-268 

 Light transmission of lens, 21-23 

 Lighting, motion-picture, 685-693 



spotlight characteristics, 690 

 Littrow mounting of spectrograph, 809 

 Lumiere Autochrome plates, 147 



M 



Mackie line, 362-363 

 Magnification, in lens system, 16 



longitudinal, 16-17 



telephoto, 16 

 Map, aerial, 721-731 



compiling mosaic, 724-729 



Harvard Sky, 738 

 Marten's polarization densitometer, 175-177 

 Masking, 438-439 

 Medical radiography, 824-825 

 Meritol, 328 

 Metacarbol, 337 

 Metallography, 780 

 Metals, microscopy of, 780-783 

 Meteors, photographing, 758-759 

 Metol, 334-335 

 Metoquinone, 327 

 Microphotometer, Hartmann, 752 

 Microscope, numerical aperture of, 773-775 



optical diagram of, 789 



optical systems of, 771 



resolving power of, 773 



ultraviolet, 783-797 

 Microscopic objectives, color correction of, 775- 



776 

 Microscopy, of metals, 780-783 



technical, 770-798 

 Miniature cameras {see Cameras) 

 Monomet developing agent, 323 

 Montages (see Photo montages) 

 Moon, photographing, 758 

 Moonlight, as light source, 270 

 Mosaic map, 724-729 



Motion-picture cameras, liigh-speed, 760-768 

 Motion-picture developers, 363-360 



