Table of Guide Numbers (Discontinued Models)
| Wide¹ | 24mm | 28mm | 35mm | 50mm | 70mm | 85mm | 105mm | ||
| Built-In | K10D/K-r | ✗ | ✗ | 11 | ✗ | ✗ | ✗ | ✗ | ✗ |
| Metz | 24 AF-1 | ✗ | ✗ | ✗ | 24 | ✗ | ✗ | ✗ | ✗ |
| Promaster | 5550DX | ✗ | ✗ | 30 | ✗ | ✗ | ✗ | ✗ | ✗ |
| Metz | 48 AF-1 | 21 | 24 | 26 | 29 | 35 | 38 | 43 | 48 |
| Promaster | 5750DX | 24 | ✗ | ✗ | 32 | 36 | ✗ | 40 | ✗ |
| Sigma | EF-530 DG⁵ | ? | 28 | 29 | 31 | 40 | 45 | 48 | 53 |
| Metz | 54 MZ-4i | 22 | 28 | 31 | 34 | 40 | 44 | 46 | 54 |
| Metz | 58 AF-1 | 25 | 29 | 31 | 35 | 42 | 46 | 52 | 58 |
