Fellow Opus 2 Conical Burr Grinder
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The Opus 2 is Fellow's electric grinder built to cover the full range of brew methods in a single unit: the manufacturer states it is designed for espresso, pour-over, electric coffee makers, French press, AeroPress and cold brew. The burr is conical, stainless steel, 48 mm in diameter, listed on the product page as "Burr type: 48 mm stainless steel conical".
Adjustment is via a stepless side dial, so continuously variable rather than numbered clicks; the page does not state a number of positions or increments. The load bin is described as a "single dose load bin" of 100 g, which together with the dedicated 30 g espresso catch cup points to a dose-by-dose workflow rather than a bean stock.
The nameplate states a 300 W draw, with no voltage or frequency given on the product page. Stated dimensions are 206 x 130 x 267 mm (length x width x height per the manufacturer's own labelling) for a weight of 2.3 kg; stated materials include ABS, PC, nylon and POM plastics, stainless steel conical burrs, and wood accents depending on colourway. Neither grounds retention nor motor speed are stated.
CoffeeSpecs Awards
Best price Advanced · All-purpose grinders
The lowest price band among advanced All-purpose grinders machines (between €900 and €2,000). It is a positioning estimate, not a selling price.
How we assign awards →Technical specifications
| Parameter | Value | Source |
|---|---|---|
| Machine dimensions | 13 × 20.6 × 26.7 cm (5.1 × 8.1 × 10.5 in) | manufacturer website |
| Weight | 2.3 kg (5.1 lb) | manufacturer website |
| Power supply | 300 W | manufacturer website |
| Burr type | Conical | Declared by the brand |
| Burr diameter | 48 mm | Declared by the brand |
| Single dose | Yes | Declared by the brand |
| Supported brew methods | Espresso, Pour over, Drip filter, French press, Cold brew | Declared by the brand |
| Adjustment type | Stepless | Declared by the brand |
| Burr material | Stainless steel | Declared by the brand |
| Drive | Electric | Declared by the brand |
| Hopper capacity | 100 g | Declared by the brand |
Pros and cons
In favour
- Stated coverage from espresso to cold brew in a single grinder
- Stepless adjustment, no fixed clicks
- Load bin built for single dosing, with a dedicated 30 g espresso catch cup
Similar machines to consider
Recipes this grind covers
All recipes →Chosen from the brew methods the manufacturer declares it covers, not from the category.
Espresso
Seven grams, twenty-five seconds, twenty-five millilitres: Italian espresso has a written specification, and this is it.
- Dose
- 7 g
Ristretto
The same dose as an espresso, less water in the cup. No institutional source fixes its volume — so here you will only find what is documented.
- Dose
- 7 g
Cappuccino
25 ml of espresso and 100 ml of steamed milk, in a 150–160 ml cup. The cappuccino has a specification too.
- Dose
- 7 g
Caffè macchiato
An espresso and a stain of milk. How much milk, exactly? No source declares it — and we do not invent it.
- Dose
- 7 g
Caffè americano
An espresso lengthened with hot water. The amount of water is set by no standard: it changes from country to country and from bar to bar.
- Dose
- 7 g
Caffè shakerato
Double espresso, sugar syrup and ice in a shaker. It has no specification: it has a house recipe.
Le alternative a catalogo
Scelte dalla fascia d'uso e dall'ingombro dichiarati, non dal prezzo: i prezzi non li pubblichiamo.

