Can Airport X-Rays Damage Film? TSA, CT Scanners & Film Explained
Checked bags, carry-on X-ray, and the new CT scanners: which ones fog film, and how to travel with film safely.
Yes, airport X-rays can damage undeveloped film — but only some of them. Checked-baggage scanners are powerful enough to fog film, so never pack film in a checked bag. Carry-on X-ray machines are much gentler and are generally considered safe for film below ISO 800 passing through a few times; the newer CT scanners now appearing at security checkpoints are stronger and more likely to cause fog. The safest option is to carry film on and ask for a hand inspection. Developed film, negatives, and prints are not affected.
Here's what each scanner does to film, and how to travel with it.
Which airport scanners damage film?
| Scanner | Risk to undeveloped film | What to do |
|---|---|---|
| Checked-baggage scanner | High — can visibly fog film in one pass | Never put film in checked luggage |
| Carry-on X-ray (traditional) | Low for ISO 100–400 film passing a few times; cumulative with repeated passes | Usually fine; ask for hand inspection for fast film or many trips |
| Carry-on CT scanner (newer 3D scanners) | Higher than traditional carry-on X-ray | Ask for a hand inspection |
| Developed film, negatives, prints, digital cameras | None | No special handling needed |
The TSA itself advises that checked-baggage screening equipment will damage undeveloped film and recommends carrying film on or requesting a hand inspection.
Why X-rays fog film
Film is designed to react to light, and X-rays are a far more energetic form of the same radiation. A dose of X-rays exposes the film evenly, adding a gray fog that lowers contrast and adds grain — and on color film, can shift colors. The damage is cumulative: each pass adds a little more fog, so a roll that travels through several airports gets a bigger total dose.
Faster film is more sensitive. ISO 800, 1600, and 3200 film is at higher risk than ISO 100–400 film.
How to travel with film
- Pack all film in your carry-on — never in checked luggage.
- Ask for a hand inspection. In the US, the TSA allows you to request that film be inspected by hand. Policies vary in other countries, so allow extra time.
- Make inspection easy. Take the rolls out of their boxes and plastic canisters and put them in a clear zip-top bag. Expect the officer to swab or examine them.
- Unload the camera if you can. A camera with film inside should be hand-checked too.
- Don't forget instant film. Instax and other instant film is also undeveloped film and should be hand-checked.
- Consider buying film at your destination or developing it there before flying home, especially for long trips with several flights.
What about mailing film?
Mailing undeveloped film to a lab is a common way to avoid airport scanners on the way home. If you're traveling, you can also mail your film to our lab from anywhere in the US and get scans by email within 5–7 business days of its arrival.
How do I know if my film was damaged by X-rays?
X-ray fog usually looks like an overall loss of contrast, extra grain, and muddy shadows across the roll. Sometimes it shows as a wavy band or a pattern across several frames. It can be hard to distinguish from expired film or heat damage. If you're worried about a roll, have it developed normally; mild fog often scans fine.
FAQ
Do airport X-rays ruin film?
Checked-baggage scanners can ruin undeveloped film. Carry-on X-ray machines are generally safe for slower film passing through a few times, while newer CT scanners carry more risk. Ask for a hand inspection to be safe.
Is it safe to put film in checked luggage?
No. Checked-baggage scanners use much stronger X-rays than carry-on machines and can fog film in a single pass.
Does airport security damage developed film?
No. Once film is developed, it's no longer light-sensitive, so X-rays don't affect negatives, slides, or prints.
Can I ask TSA to hand-check my film?
Yes. In the US, you can request a hand inspection for film. Put the rolls in a clear bag and allow extra time at the checkpoint.
Does X-ray damage disposable cameras?
Yes — a disposable camera contains undeveloped film, so treat it like any other roll: carry it on and ask for a hand inspection.
Back from a trip? Send your rolls to our film lab or drop them off at 731 Franklin Ave, Garden City, NY 11530 (Monday – Friday 9:00 am – 6:00 pm and Sunday 10:00 am – 4:30 pm (closed Saturday)). For storing film before and after a trip, see how to store film.
Cover photo: Mirddincom, via Wikimedia Commons, licensed CC BY-SA 4.0.
Written and reviewed by the Neptune Photo team — the staff behind the counter and in the film lab at our Garden City, NY shop since 1963. Read our editorial policy
