TY - BOOK AU - Sharpe,Sam H. AU - Jaynes,Mike TI - Conjurers' optical secrets / by S.H. Sharpe ; illustrations by Mike Jaynes SN - 0921298056 PY - 1985/// CY - Calgary PB - Hades Publications KW - Prestidigitació KW - lemac KW - Il·lusions òptiques KW - Miralls KW - Reflexió (Òptica) KW - Projecció d'imatges fixes KW - Trucs fotogràfics KW - Teatres KW - Efectes especials N1 - Reimpressions: 1992; A contraportada: "Dedicated to the magicians of the future on behalf of the magicians of the past and present; Bibliografia N2 - Sumari: Optical principles tabulated -- Psychology of visual illusions -- The antiquity of optical principles in magic -- Part one. Psychological visual illusions -- Part two. Physical screening of marking -- Part three. Reflected images -- Part four. Lens transmission -- Part five. Trick photography -- Part six. Chromatics and focussed light waves ER -