I go through Pisa a lot
That’s the first time I’ve ever seen a distinct pattern attributed to legacy x-ray devices. Damage patterns, as opposed to overall increased density, historically have been demonstrated with CT.
Well, I ran into a rare case of visible x-ray fogging despite the roll not having gone through a CT scanner - just two (2) old-fashioned x-ray scanners:
More details here: https://tinker.koraks.nl/photography/dont-look-down-getting-your-film-x-rayed-when-flying/
The TL;DR is that the defect isn't so far visible on scans. I haven't optically printed anything from this roll, yet, but I doubt it'll show up on prints. But I do hesitate to bring film on our next trip if it involves any airports or x-ray scanners (e.g. some international trains, and major museums). I think I'm going to stick to digital in those instances.
Either it has a wider sensitivity wavelength range
In your case - what cassettes did you wind it on - metal or plastic?
Any chance that particular film was loaded in the camera when you went through one of the scanners?
Had no trouble having hand check the entire way. SFO and SIN airports had the powerful scanners.
Interesting--I just got back from a work trip to San Francisco and Terminal 1 (the Harvey Milk Terminal) had old school scanners (El Paso had CT scanners). I'm guessing you were in a different terminal?
We just came back from a week's stay in southern Italy. Just two flights, both within EU, and only two instances of baggage checks/scans. One airport has the newer CT scanners, the other has the older x-ray ones which are still far more common especially at smaller airports. I carried my film in a clear ziplock bag with the well-known Kodak label as well as a few sentences in Italian explaining x-ray may destroy the film. I asked for hand inspection on both airports and was granted one in both instances, without any fuss, delay or difficulties. Both airports were plenty busy with long queues at the scanners.
So far since the introduction of CT scanners I have consistently been asking and getting hand inspection of my film (knock on wood). I mostly do this to familiarize security personnel with the phenomenon of film and the care it requires (and deserves!) The first time I tried this at my "home base" airport, I had to explain what's up; on our flight last week there were no questions and my request was handled as a matter of routine. I'm sure I'm not the only one who has been asking for manual inspection of sensitive materials.
If we all consistently ask for manual inspection, there's a chance this will trickle upwards to security management and scanner manufacturers and official instructions are put in place to exempt certain items from CT scanning.
Do you join the usual queue and ask as you get to the scanner?
Yes, that's what I do.
For UK airports, it might be useful to wave this at them. I received this in response to an online query a couple of years ago. Security at Stanstead jolly well should know, but these things aren't always brought up to every employee. And I've noted some younger airport security staff at various airports around the world are wholly unfamiliar with film.
The issue use not with CT machines, it is with the old style XRay machines. In Heathrow, I passed through a CT machine, and they have hand scanned. The following I have passed through a Xray machine, they said no
There is no need for hand inspection with the older X-ray machines.
That wavy line is emphatically not from a regular X-ray scan.
It's virtually identical to the examples that have been on the Kodak website since before CT scanners arrived.
Anyway, I don't really see much value in arguing about this. I know which scanners this roll went through and they weren't CT.
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