miércoles, 29 de junio de 2011

El Efecto Bullet Time

Matrix

Matrix”, escrita y dirigida por los Hermanos Wachowski.
Supuso una revolución en los efectos especiales empleando el método similar al que usó Muybridge para registrar el galope del caballo baso en sistema de varias cámaras para registrar el movimiento.

Matrix. 120 cámaras de fotos y dos cámaras de cine para crear el efecto conocido hoy en día como “Efecto Bullet Time”



Michel Gondry





Tim Macmillan
http://www.timeslicefilms.com/




Tim Macmillan Early Work 1980 – 1994
 
The ‘Time-Slice’ camera was first devised in 1980 by Tim Macmillan at Bath Academy of Art during his BA. Fine Arts degree course. Originally a painter, Macmillan was interested in combining Cubist theory with contemporary technology. Initially using hand-made photographic emulsions and photo grams, he went on to create a series of cameras creating multiple viewpoints of a space which were then collaged together. The multiple camera concept then made a lateral leap to being applied to cine film. The first camera involved a length of 16mm film negative, clear Perspex spacers providing a focal length and a strip of opaque 16mm cine magnetic tape with a pinhole drilled into each frame. A simple shutter over the magnetic tape then provided the means of exposure. The result was a tracking shot through a space. The profound revelation was that while the viewer experienced a move through space, time was frozen. A paradox! The effect is also known as ‘temps mort’ (dead time) & ‘virtual camera’, with various companies advertising under names such as ‘Timetrack’, ‘Multicam’ & ‘Big Freeze’.






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