Aquatint vs Etching
アクアチント / エッチング／腐食銅版画
Both sit in Intaglio Printing, so the question is not what they belong to but how they behave. They are reached for with some of the same intent, which is where they get confused.
Aquatint
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An intaglio technique that builds tone through small ink-holding recesses etched around a granular resist. Grainy greys and dark fields work alongside drawn lines. Its wash-like effects differ from watercolor itself and from the mechanically roughened plate of mezzotint.
Etching
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A needle draws through the acid-resistant ground and the acid bites the metal it exposes, cutting lines into the plate that are thin, fluid and close to handwriting.
| Aquatint | Etching | |
|---|---|---|
| Era | 18th century–present | 16th century– |
| Family | Intaglio Printing | Intaglio Printing |
| Kind | Technique | Technique |
| Cues | Tonal fields made of fine grain / Lines and areas share the shading / Distinct depths or stages of tone / Paper white against dark ink fields | Thin flowing lines / Depth by biting / Cross-hatching / Plate marks |
| Best used for | Exhibitions and teaching that compare Aquatint with neighbouring print techniques · Publications studying lines, tones and paper through documented works | Series of travel notes or figures that keep the speed and hesitation of drawing · Book illustration where atmosphere and shadow must come from line alone |
| Type | Keep lettering in the work separate from added labels; place medium, artist and date outside the image. | Draw the lettering with the same needle so its weight matches the image |
| Composition | Separate lines from tonal fields and test the balance of white, midtone and black. | Build tone from hatching density and keep bare paper as the brightest area |
| Material | Check the collection medium record and the paper and ink; do not infer materials from screen colour alone. | Vary line depth by bite time, stopping out in stages as the acid works |
| Caution | Texture overlays do not establish the technique. Identify the tonal process and any etching or drypoint used with it. | A uniform pen line filter is no substitute, since bite time, overlapping lines, ink left in the wiping and press pressure make the difference, and layering without timing fills detail with black. |