World of stereoscopy is a wonderful one. It not only gives us the 3-D sensation as we live it normally, but it extends this 3-D sensation to a new frontier. At the beginning of XXth century, photographic development and research were important in 3-D applications, and much more photographers were using it than nowadays and it was popular. 3-D images are superb, gorgeous, and let us see things that we couldn't capture with a normal picture, for example images of trees.
To-day, the image technologies bring for sure many solutions, various and efficient as much as the common rules are applied.


  With the availability of P&S digital compact cameras, it is easier than ever to practice stereoscopic photography cheap and simple. It only needs to be synchronized.
These pages are trying to explain the important keys of this technique, and experienced people should find new ways to practice it. Of course, it is successfully applied to pole and kite aerial photography.
The evaluation of  the stereoscopic ratio SR is very productive. Rarely discussed, it is necessary for controlling the 3D effect.
Forget the 1/30 rule, replace it by the ISU rule  D = B x F* (in mm) and as much as possible use the calculator of this web site applying the stereoscopic ratio which fit your images for nice 3D rendering.
3D newby? Start with the page shot 3D.

For better understanding, and to know more on acuity, resolution, resolving power, circle of confusion, angle of field, digital cameras, look to these pages in the photography chapter

Wind turbines of Marc Vanden Broeck, Houlgate 2011, France
Stereophotography by crossed eyes method. The synchronisation between the pictures is crucial for the moving objects.
The difference of colorimetry and lighting between the two pictures enlarge the color and contrast range.