| Extension Tube Length (stacked combinations in brackets) | 12mm | 20mm | 32mm (20+12) | 36mm | 48mm (36+12) | 56mm (36+20) | 68mm (36+20+12) |
| Magnification (size on sensor) | at ∞ | 0.24 | 0.40 | 0.64 | 0.72 | 0.96 | 1.12 | 1.36 |
| at 45cm | 0.37 | 0.53 | 0.77 | 0.85 | 1.09 | 1.25 | 1.49 |
| Field Coverage (width × height, in mm) | at ∞ | 93×62 | 56×37 | 35×23 | 31×21 | 23×15 | 20×13 | 16×11 |
| at 45cm | 61×41 | 42×28 | 29×19 | 26×18 | 20×14 | 18×12 | 15×10 |
| D.o.F. @ f/1.4 (maximum aperture) | at ∞ | 695μm | 283μm | 129μm | 107μm | 69μm | 55μm | 41μm |
| at 45cm | 331μm | 179μm | 97μm | 83μm | 57μm | 47μm | 36μm |
| D.o.F. @ f/11 (diffraction aperture) | at ∞ | 5.6mm | 2.3mm | 1.0mm | 857μm | 550μm | 437μm | 330μm |
| at 45cm | 2.6mm | 1.4mm | 779μm | 668μm | 458μm | 374μm | 291μm |
| D.o.F. @ f/22 (minimum aperture) | at ∞ | 1.1cm | 4.5mm | 2.1mm | 1.7mm | 1.1mm | 873μm | 659μm |
| at 45cm | 5.3mm | 2.9mm | 1.6mm | 1.3mm | 915μm | 749μm | 582μm |
| Brightness Loss (in stops) | at ∞ | 0.6 | 1.0 | 1.4 | 1.6 | 1.9 | 2.2 | 2.5 |
| at 45cm | 0.9 | 1.2 | 1.6 | 1.8 | 2.1 | 2.3 | 2.6 |