This crop factor reference table shows the full-frame equivalent focal length for a range of lens focal length values, assuming a crop factor of 1.5. Every figure is computed with the same engine that powers our Crop Factor Calculator, so the numbers are exact.
| Lens focal length | Full-frame equivalent focal length |
|---|---|
| 13 mm | 19.5 |
| 25 mm | 37.5 |
| 38 mm | 57.0 |
| 50 mm | 75.0 |
| 75 mm | 112.5 |
| 100 mm | 150.0 |
| 150 mm | 225.0 |
| 250 mm | 375.0 |
| 350 mm | 525.0 |
| 500 mm | 750.0 |
How to use this table
Find the row closest to your lens focal length and read across to the full-frame equivalent focal length. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Crop Factor Calculator for a precise answer.
Need a value that is not in the table? — the Crop Factor Calculator does it instantly, for free, with the formula and a worked example built in.
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