ElanoryaPhotography guide
If only one thing can be sharp
At close range the sharp zone is thinner than the piece, so something has to be out of focus. That is not a limitation to work around. It is a decision about what you are selling, and it should be made from the listing rather than from the camera.
The camera cannot answer this one
The ring guide already covers why the sharp zone is thin and what to do about it: at close focusing distances the front and back of the same band cannot both be sharp, stopping down helps, and it stops helping once diffraction costs more than it buys. None of that is repeated here, because none of it is in dispute.
What follows from it is. Once the sharp zone is thinner than the object, something must be soft, and the camera has no way of knowing which part of a piece of jewelry matters. Autofocus optimises for contrast, and on polished metal the highest-contrast edge is usually a reflection — a feature of the room rather than of the product.
So the decision is yours, it is editorial, and it is better made while looking at the listing than while looking through the lens.
Why the usual answer is not the general one
The standard instruction is to focus on the stone's table, and this site gives it too. It is correct advice, and it is also narrower than it looks: it silently assumes the piece has a stone and that the stone is what the piece is priced on.
For a large part of what people sell, neither holds. A plain gold chain has no stone. A hammered cuff has no single feature. A signed vintage piece may be worth what it is worth because of a mark a few millimetres across. In each case the advice names something that either does not exist or is not the thing carrying the value.
The rule underneath is simple enough to state in one line: put the sharp plane on whatever the price is attached to. On a gemstone piece that produces the stone — which is why the familiar advice works, and why it is a consequence of the rule rather than a replacement for it.
Before you press the shutter
Five checks. The first one is answered by the listing, not by the camera.
- Name what the price is attached to on this specific piece.
- Confirm that feature exists — if the advice you are following names a stone, check there is one.
- Set the focus point yourself rather than accepting autofocus.
- For a finish, decide the orientation instead of the point.
- Check at full size that the anchor feature is the sharpest thing in the frame.
What this page does not cover
- How shallow the sharp zone actually is, and the aperture and diffraction trade-offs — the ring guide covers both.
- How to light or read a hallmark. This page uses maker's marks only as an example of a price anchor.
- Numbers. No apertures, distances or millimetre figures appear here, because no measured source is recorded for them.
Questions
What should I focus on in a jewelry photo?
Whatever the price is attached to. On a gemstone piece that is the stone, which is why the common advice works. On a plain chain it is the links and clasp; on a piece sold for its finish it is the surface, which is an orientation decision rather than a focus point.
Why does autofocus keep picking the wrong spot?
Because it selects for contrast, and on polished jewelry the strongest contrast is usually a reflection rather than the feature being sold. Setting the point yourself is the fix; it is a decision the camera has no way to make.
Can I just stop down until everything is sharp?
Up to a point, and the ring guide covers where that point is. This page starts after it — once you have taken the depth of field as far as it goes and something still has to be soft.
What if the piece has no obvious feature at all?
Then it is probably priced on material or finish rather than on a feature. Put the sharp plane along the largest continuous run of the surface, and orient the piece so that surface lies in the plane rather than crossing it.