The simplest explanation of what the focal length of a lens really is. Part Two shows how focal lengths affect storytelling.
The simplest explanation of what the focal length of a lens really is. Part One simplifies the focal length.
Topics Covered: Interaxial Distance Hyper Stereo vs Macro Stereo Keystone Effect and Keystoning Stereoscopic Window In order for stereoscopic cinematography to be a creative medium it’s got to be intuitive. If it’s not in the gut, it’s not going to succeed as an art form. If you have to rely solely on tables and calculations, […]
Topics Covered: Convergence and Fusion The Singleness of Vision Taking aim for too long can ruin your eyes – Ivorian Proverb When we focus on infinity our eyes look straight on in a parallel fashion, as indicated by the red arrows. As we have already seen, optical tests on the Snellen chart are positioned at […]
Topics Covered: Stereopsis Parallax Inter-ocular Distance You can’t look into a bottle with both eyes at the same time – Togolese Proverb Stereopsis is the impression of depth we get when we use both eyes, assuming they have normal binocular vision. More than any other depth cue, this gives the greatest impression of space. Why? […]
Topics Covered: Depth and Depth Cues Monocular and Binocular Vision And so if your inclination is to champion lost causes, the case of stereo photography is readymade for you – Paul Farber So far we have treated the eye as if It were an organ capable of only two-dimensional (flat surface) vision We had only […]