The difference is the 1.75 / 1.85 anomaly.
When I review via projection, the image projects on to black by 1/4 “ on all sides to create a proper matted appearance.
Fort Bravo was noted to be 1.85 in the specs, but projected black edges on the sides, within projected image area, which was...
At first glance, Escape from Fort Bravo, an early post three-strip film from M-G-M "excitingly photographed" in Ansco Color, may cause alarm when it first hits the screen for two reasons - one of which I'm certain will be corrected.
First, the opening, and all dupes, are exceedingly soft, but...