Ratings film

Film speed is found from a plot of optical density vs. log of exposure for the film, known as the D –log H curve or Hurter–Driffield curve. There typically are five regions in the curve: the base + fog, the toe, the linear region, the shoulder, and the overexposed region. For black-and-white negative film , the "speed point" m is the point on the curve where density exceeds the base + fog density by when the negative is developed so that a point n where the log of exposure is units greater than the exposure at point m has a density greater than the density at point m. The exposure H m , in lux-s , is that for point m when the specified contrast condition is satisfied. The ISO arithmetic speed is determined from:

In a rare and refreshing reversal of roles, filmmakers put the powerful Motion Picture Association of America (MPAA for short) under the microscope for inspection in Academy Award-nominated director Kirby Dick's incisive look at stateside cinema's most notorious non-censoring censors. Compelled by the staggering amount of power that the MPAA ratings board wields, the filmmaker seeks out the true identities of the anonymous elite who control what films make it to the multiplex. He even goes so far as to hire a private investigator to stake out MPAA headquarters and expose Hollywood's best-kept secret. Along the way, Dick speaks with numerous filmmakers whose careers have been affected by the seemingly random and sexual-content obsessed judgments of the MPAA, including John Waters , Mary Harron , Darren Aronofsky , Kevin Smith , Matt Stone , and Atom Egoyan . Written by Anonymous

Ratings film

ratings film

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