Figure 19.1. An imax frame from The Dark Knight.

appendix—film formats

ASPECT RATIOS

Figure 19.2. Full aperture Aspect ratio: 1.319:1 .980“×735” .72 sq. in 25mm×18.7mm 464.5 sq. mm

Figure 19.3. Academy aperture Aspect ratio: 1.37:1 .864“×.63” .544 sq. in 21.95mm×18.6mm 351.2 sq. mm

Figure 19.4. Aspect ratio: 1.66:1 .864“×.63” .544 sq. in. ...

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