This cassette is designed to hold different sizes of X-ray film and Intensifying Screen. The size of the film and screen must match, and various sizes are available.
| mm × mm | inch × inch |
|---|---|
| 127 × 178 | 5 × 7 |
| 203 × 254 | 8 × 10 |
| 254 × 305 | 10 × 12 |
| 280 × 356 | 11 × 14 |
| 305 × 381 | 12 × 15 |
| 356 × 356 | 14 × 14 |
| 356 × 432 | 14 × 17 |
| 127 × 305 | 5 × 12 |
| 153 × 305 | 6 × 12 |
| 153 × 381 | 6 × 15 |
| 165 × 216 | 6.5 × 8.5 |
| 191 × 305 | 7.5 × 12 |
| 178 × 356 | 7 × 14 |
| 180 × 430 | 7 × 17 |
| 240 × 240 | 9.5 × 9.5 |
| 130 × 180 | - |
| 180 × 240 | - |
| 240 × 300 | - |
| 300 × 400 | - |
| 150 × 400 | - |
| 200 × 400 | - |
| 300 × 350 | - |
| 400 × 400 | - |
| 150 × 300 (dental) | - |
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