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I have a standard flatbed scanner, which doesn't come with any special accessory to scan negatives. If I scan x-rays by just putting them under the lid, with no special provision, the scans comes out very dark. How can I get a better result, without buying additional equipement?

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try scanning them with the lid open. – Journeyman Geek Sep 28 '11 at 0:32
+1: I hope this works for transparencies too ... – Everyone Jan 14 '12 at 10:49

3 Answers

The negative probably needs to be back lit instead of front lit in order to scan right. You could take apart an old scanner... cover up the light bulb with something to prevent it from lighting up x-ray. You could try taking out the light bulb and hope the scanner doesn't complain. Then you would need to figure out a way to light up the x-ray from behind. You might be able to get it to look good with both front and back lighting... so the scanner mod might not be necessary.

Laptops and LCD displays tend to have a plastic light diffuser that spreads the light out evenly across the entire surface (even though the bulb is on the bottom). You could lay one of those across the top of your x-ray to light it up from behind while its being scanned. Or you can figure out another way to evenly light up your x-ray from behind while your scanning it.

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Skip the scanner and use a digital camera with a backlight behind the film.

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I've done this many times with a decent digital camera and a tripod. The results were very good. When creating the backlight, use a diffuser (towel or something to make the light more 'smooth'. – kobaltz Sep 28 '11 at 4:44

The best results are with a good digital camera and the screen you are looking at right now - that's right, the PC screen with a "blank" word document works the same as the Doctors X-ray viewer. Perfectly even diffused light and if need be, just turn up the brightness to suit.

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