In the Todd-AO 70 mm-format of widescreen cinema, the image area of a 65 mm film-frame is ; in the IMAX-format of widescreen cinema, the film-frame dimensions are . To match the standard image resolution of the moving image produced with the film-speed of 24 frames per second, an IMAX film requires three times the length of (negative) film stock required for a 65 mm film of comparable scope and cinematic technique.
In the Todd-AO 70 mm-format of widescreen cinema the image area of a 65 mm film-frame is ; in the IMAX-format of widescreen cinema the film-frame dimensions are  To match the standard image resolution of the moving image produced with the film-speed of 24 frames per second an IMAX film requires three times the length of (negative) film stock required for a 65 mm film of comparable scope and cinematic technique