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Fellow Opus

Fellow Opus

Electric grinder conical burrs 40 mm Range 0–41
Grind range
0–902 µm
Per click
≈22 µm
Adjustment
41 clicks
Brew methods
10

At its coarsest it reaches about 902 µm, so French Press and Cold Brew sit partly beyond its range.

Fellow official site ↗

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Fellow Opus
grind size chart
Clicks from zero
0 5 10 15 20 25 30 35 40 41
0 200 400 600 800 1000 1200 1400µm
Extra fine Fine Medium-fine Medium Medium-coarse Coarse Extra coarse

Settings by brew method

Brew method Grind descriptor Grind size Clicks
Turkish Extra fine 70–150 µm 3-6
Espresso Fine 200–300 µm 5-7.8
Moka Pot Fine-medium 300–400 µm 7.8-11.8
AeroPress Medium-fine 400–700 µm 10-19.9
Pour Over (V60) Medium-fine 450–650 µm 11.5-17.5
Siphon Medium 500–700 µm 12.4-19
Drip / Batch Medium 600–800 µm 14.5-22
Chemex Medium-coarse 700–900 µm 31-40
French Press Coarse 900–1200 µm 23-26
Cold Brew Extra coarse 1000–1400 µm 24.1-26

About the Fellow Opus

The Fellow Opus is an electric grinder with 40 mm conical burrs and stepped adjustment. At its coarsest it reaches about 902 µm, so French Press and Cold Brew sit partly beyond its range. Each click moves the grind by roughly 22 µm.

Fellow Opus — frequently asked questions

Is the Fellow Opus a manual or electric grinder?

The Fellow Opus is an electric grinder with 40 mm conical burrs.

What grind setting should I use for Espresso on the Fellow Opus?

For espresso on the Fellow Opus, start around 5-7.8 clicks — roughly 200–300 µm — then adjust to taste.

How much does each click change the grind on the Fellow Opus?

Each click on the Fellow Opus changes the grind by about 22 microns, so you can dial in small steps.

What grind sizes can the Fellow Opus produce?

The Fellow Opus grinds from about 0 to 902 µm, covering 10 of the brew methods we chart.

Can I copy grind settings from another grinder to the Fellow Opus?

Not directly — every grinder's scale is arbitrary, so a number that works on one model won't match the Fellow Opus. Match the micron range instead, using the chart above.