| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| equation for focal length | 0.65 | 0.5 | 9769 | 75 | 25 |
| equation | 1.27 | 0.7 | 2601 | 14 | 8 |
| for | 0.25 | 0.8 | 1334 | 6 | 3 |
| focal | 1.98 | 0.3 | 5415 | 81 | 5 |
| length | 1.75 | 0.5 | 7489 | 50 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| equation for focal length | 1.89 | 1 | 2449 | 72 |
