eSlab

A verified copy for your cards

Register a card with your camera. The buyer checks it is the same physical copy when it arrives.

eSlab

My cards

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New card

Before you start
  • Smooth, matte, dark surface. Card out of its sleeve.
  • Normal light, no flash, no glare.
  • Hold the phone parallel to the card. The app takes the photo itself when the card fits the frame.
  • Two photos: the front, then turn the card over for the back. Hold the phone about 15–20 cm away: the frame shows how big the card should look. Closer than that, the camera can't focus.
  • The card's fingerprint is measured on its 4 corners, so they must be sharp and fully visible.
  • The name and number are read from the photo. You only confirm them at the end.

Now the corners, up close

The corners are the card's fingerprint: every copy was cut slightly differently. That is measured to a hundredth of a millimetre, so the photo must be close and sharp.

15–20 cm dark, matte surface
  1. Card on a dark, matte surface, out of its sleeve. Don't move it between corners.
  2. Phone 15–20 cm above the corner, parallel to the card. The camera sets itself (main lens, no zoom). Closer than that, the camera cannot focus.
  3. A faint picture of your card is drawn over the camera at the right size. Move the phone until your card lines up with it: then the height and position are right.
  4. Corner inside the L mark, both edges fully visible with a little background around them.
  5. The small card at the top right shows which corner is next. "Top left" means top left with the card upright.
  6. The photo is taken automatically when both edges turn green and the image is sharp.

Turn the card over

Front done. Turn the card over in the same place, upright, and continue with the back: the whole card first, then its corners.

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Front of the card

  • Card on a dark, matte, smooth surface, out of its sleeve.
  • Good light: daylight by a window or a bright lamp. In dim light the photo gets soft.
  • In the camera app choose 2x and hold the phone about 25 cm above the card, parallel to it. The card should fill about half of the picture. No flash.
  • Tap the edge of the card on the screen to focus, wait a moment, hold steady (elbows on the table), then take the photo.
  • All four corners must be sharp: the card's fingerprint is measured on them.
Front
Place the card in the frame
Edges 0/4Sharpness —

Front

Photo just taken

Confirm the card

Reading the name and number from the photo…