Three-Dimensional Photography - Principles of Stereoscopy

TRICK WORK 227 Another shot of the same type was made of a cat walking along a tree limb. As you know a cat usually starts down ...

228 THREE-DIMENSIONAL PHOTOGRAPHY of such untransposed slides. Such slides are called “pseudograms” to distinguish them from “st ...

TRICK WORK 229 is considerably more definite than in a pseudogram, although the image is upside down. A better, if more elaborat ...

230 THREE-DIMENSIONAL PHOTOGRAPHY the long faces are turned toward each other. If the shorter face is upward or downward you wil ...

TRICK WORK 23 1 Now let us carry this reasoning to its logical conclusion. It might be said that the external stimulus of stereo ...

232 THREE-DIMENSIONAL PHOTOGRAPHY To result in stereoscopic perception then we must have par- allax... this parallax must be mul ...

TRICK WORK 233 The lines LA and RB are the parallactic rays which cross in the center of the table T. The dotted lines LO and RO ...

234 THREE-DIMENSIONAL PHOTOGRAPHY But consider1 If this were done, the result would not be a giantess seated at a normal table, ...

TRICK WORK 235 film is directly related to the distance from the camera, and nor- mally, (because we cannot actually increase si ...

236 THREE-DIMENSIONAL PHOTOGRAPHY curiosity as to where the huge glass was obtained. When well done it is characterized by reali ...

TRICK WORK 237 with flash to preserve the smoke quality. In this instance any blur of movement will detract from the result. Tak ...

238 THREE-DIMENSIONAL PHOTOGRAPHY made, and you may be assured that if the model did not change pose between the exposures, you ...

TRICK WORK 239 At first we used a reflex attachment, but this involved the use of long focus lenses, which was not advisable. Mo ...

CHAPTER 17 CLOSE-UP STEREOGRAPHY (Macro - Micro) HERE HAS BEEN A GREAT DEAL of confusion regarding close-up T work in stereo. In ...

CLOSE-UP STEREOGRAPHY 241 aperture, and this is duplicated in the sharp edge of the mount aperture. This is the real reason for ...

242 THREE-DIMENSIONAL PHOTOGRAPHY same slide, but there are many who regard such an appearance as a “distortion.” It is nothing ...

CLOSE-UP STEREOGRAPHY 243 In the second method, assuming the camera has a lens separa- tion of 70mm (half base 35), we may consi ...

244 THREE-DIMENSIONAL PHOTOGRAPHY hyperstereo, and in micro work where a fraction of a base is used. For anything between 62 and ...

CLOSE-UP STEREOGRAPHY 245 which varies with the stereo skill of the individual. When the object distance is small, 16 inches or ...

246 THREE-DIMENSIONAL PHOTOGRAPHY of the retinal surface, but aside from such complex and costly instruments, the work requires ...