Nikon 60 mm f/2.8 Auto-Focus Micro-Nikkor
The extension available is 50 mm, and the focal length at the close focus point is 55 mm.
| Magnification | Subject distance | Correcting Lens | Extension tube | ||||||||
| Near focus | Far focus | Near focus | Far focus | Focal Length | diopters | ||||||
| 1.00 | 0.00 | 4.33 | in | Inf | None | 0.00 | 0 | ||||
| 1.50 | 0.46 | 3.61 | in | 7.52 | in | None | mm | 0.00 | 27.5 | mm | PK-13, M-ring |
| 1.95 | 0.88 | 3.27 | in | 5.06 | in | None | mm | 0.00 | 52.5 | mm | PN-11 |
| 2.00 | 0.92 | 3.25 | in | 4.94 | in | None | mm | 0.00 | 55 | mm | 2 PK-13s |
| 2.45 | 1.33 | 3.05 | in | 4.13 | in | None | mm | 0.00 | 80 | mm | PK-13 + PN-11 |
| 1.18 | 0.09 | 3.67 | in | 26.25 | in | Nikon 3T | 1.50 | ||||
| 1.35 | 0.17 | 3.21 | in | 13.58 | in | Nikon 4T | 2.90 | ||||
| 1.73 | 0.59 | 3.14 | in | 5.84 | in | Nikon 3T | 1.50 | 27.5 | mm | PK-13, M-ring | |
| 1.94 | 0.71 | 2.80 | in | 4.84 | in | Nikon 4T | 2.90 | 27.5 | mm | PK-13, M-ring | |
| 2.22 | 1.04 | 2.88 | in | 4.24 | in | Nikon 3T | 1.50 | 52.5 | mm | PN-11 | |
| 2.47 | 1.20 | 2.59 | in | 3.69 | in | Nikon 4T | 2.90 | 52.5 | mm | PN-11 | |
| 2.77 | 1.54 | 2.70 | in | 3.57 | in | Nikon 3T | 1.50 | 80 | mm | PK-13 + PN-11 | |
| 3.06 | 1.74 | 2.45 | in | 3.17 | in | Nikon 4T | 2.90 | 80 | mm | PK-13 + PN-11 | |
