HANDBOOK OF PHOTOGRAPHY 



Motion-picture photography, 7, 663-707 



exposures for, 245-248 



laboratory practice in, 697-702 



polarizing screens in, 697 

 Motion-picture positive film, 139 

 JMotion-picture process photography, 702-706 

 Mounting prints, 445-446 



N 



Negatives, blisters on, 529-530 

 blurred, 512-513 

 color-separation, 617-629 

 condition, for correct, 211 

 defects in, 507-538 

 distorted image, 514-517 

 emulsions for, 130-138 



choice of, 133-134 

 enlarged by reversal, 448 

 fading of, 527 

 finger marks on, 526 

 fogged, 517-520 

 frilling, 531 

 harmonizing, 559 

 image reversal in, 522 

 incorrect contrast in, 520-521 

 incorrect density of, 522-523 

 matching of, with paper, 418-422 

 materials for, types of, 135-136 

 multiple image on, 513-514 

 opacity-brightness relation, 196-199 

 paper, 446-447 

 reticulation in, 531-532 

 standard sizes of, 136-137 

 static lines and markings on. 511-512 



O 



Object distance, 15 



Opacity, 23 



Opacity-brightness relation, 196-199 



Optical density, 23 



Optical diagram of ultraviolet microscope, 789 



Optical printer, diagram of, 704 



Optical system, of microscopes, 771 



Optics, of lenses, 10-36 



Orthoscopic lenses, 32, 37-38 



Ortol, 328 



Ostwald ripening, 116 



Faints, for darkroom, 563 



Paper, characteristics of contact, 423 

 density range of, 201, 422 

 direct positive, 147, 450-451 

 effect of curvature of, 422-425 

 exposure range of, 144, 201-204 

 H and D curves for chloride, 142 

 matching with negative, 418-422 

 for platinum printing, 480 

 printing-out, 146, 451 

 projection, 424 

 sheen of, 145 



Paper, storage of printing, 426 

 texture, 145-146 

 weight, 146 

 Paper base characteristics, 123-124 

 Paper contrast, 142-145 

 Paper negatives, 446-447 

 Parallax, 82 



in view finders, 36 

 Paraxial ray, 13 

 Periscopic lens, Steinheil's, 38 

 Perspective, 26-27, 94-95 

 Petzval theorem, 39 

 pH of developing formulas, 340 

 Phenylenediamine, p-, 323, 337 

 Photo montages, 439-440 

 Photo murals, 447-448 

 Photoflash lamps, 286-288 

 Photoflood lamps, 282-285 

 Photographic materials, 5, 116-152 

 graininess of, 129 

 methods of use, 126-127 

 reciprocity failure, 128-129 

 resolving power, 130 

 sensitivity, 140-142 

 spectral sensitivity, 125-127 

 speed, 190-196 

 types of dyes, 126 

 Photographic sketching, 448-449 

 Photography, color (see Color photographj') 

 elementary, 3-7 



motion-picture (see Motion-picture photog- 

 raphy) 

 present status of, 1 

 Photometer, Bell and Howard, 249-250 

 Photometry, 751-753 

 Photomicrography, 770-798 

 Photon, 264 



Pigments, for gum printing, 488 

 Pinatype color process, 643-645 

 Pincushion distortion, 31 

 Pinhole camera, 25-26 

 Piral, 328 



Planets, photographing, 759 

 Plateholder, double-slide, 737 

 Plates, for astronomical photography, 744-747 

 Eastman spectroscopic, 745 

 measuring in astronomy, 750-751 

 Platinum printing, 478-486 

 Polarized light, 12 

 Polarizing agents, as filters, 303-307 

 Polarizing screens, in motion-picture photog- 

 raphy, 697 

 Polaroid filters, 12 

 Polaroid stereo system, 584-585 

 Polyphenols, 321 

 Pomeroy-Dunning system, 703 

 POP (see Paper, printing-out) 

 Portrait lenses (see Lenses) 

 Positive materials, 138-146 



characteristics of, 199-204 

 Principal point, 14, 15 

 Printer, optical, 704 

 Printing, 7 



Artigue process, 493 

 carbon, 466-474 



