Grinder comparison
Fellow Opus vs Option-O Lagom P64
The Option-O Lagom P64 makes the smaller adjustments (10 µm a step against 23.3 µm), so it gives finer control between settings. Both reach the same grind sizes, just at different numbers.
Side by side
| Fellow Opus | Option-O Lagom P64 | |
|---|---|---|
| Setting format | Number | Number |
| Finer direction | Lower numbers | Lower numbers |
| Smallest adjustment | 23.3 µm | 10 µm |
| Steps from espresso to French press | 28 | 65 |
| Espresso setting~250 µm | 1.25 | 0.1 |
| Moka pot setting~350 µm | 2.25 | 1.1 |
| AeroPress setting~450 µm | 3.25 | 2.1 |
| V60 setting~560 µm | 4.5 | 3.2 |
| Chemex setting~700 µm | 6 | 4.6 |
| French press setting~900 µm | 8.25 | 6.6 |
| Kalita Wave setting~600 µm | 5 | 3.6 |
| Cold brew setting~1100 µm | 10.25 | 8.6 |
| Siphon setting~650 µm | 5.5 | 4.1 |
This compares how the grinders adjust, not build quality, burr type or price. Settings come from one shared particle-size scale fitted from the Honest Coffee Guide and are a starting point.
Convert between them
- Fellow Opus to Option-O Lagom P64
- Option-O Lagom P64 to Fellow Opus
- Fellow Opus settings
- Option-O Lagom P64 settings
Questions
Which grinder has finer adjustment, the Fellow Opus or the Option-O Lagom P64?
The Option-O Lagom P64 makes the smaller adjustments (10 µm a step against 23.3 µm), so it gives finer control between settings. Both reach the same grind sizes, just at different numbers.
Can I use the same setting on both?
No. A V60 grind is about 4.5 on the Fellow Opus and 3.2 on the Option-O Lagom P64.