Home made x-ray video and pictures - amateur xray experiments

[awent0428]

Is this high radiation, I'm scared.

[vmelkon]

wow

[yangni007]

where can I find the phosphore screen please ??

[c4r0hv]

@yangni007 eBay. Search for intensifying screen or x-ray cassette.

[summ22]

ain't that shit dangerous?

[LowresTV]

You are playing with dangerous stuff. But congrats!

[Jorykei]

Where did you get the dental xray machine?

[c4r0hv]

@Jorykei

eBay

[9875andrew]

@c4r0hv When you bought that off of ebay did the listing say anything about "this item is subject FDA regulation, I will verify your status as an authorized purchaser"? if it did, how did you get around that?

[tatt2lover]

how many rads does this device put out?

[albertusj]

Impressive! Please be careful.

[dwarfer777]

i wouldnt put my hand in that xray for £100!!

[c4r0hv]

@dwarfer777

Yea, you wouldn't... except you would probably pay £100 for somebody to x-ray your hand if it was broken...

[xrayelder]

Dzien dobry. If you search around, you might find an old x-ray intensifier. This would take you to another level. You might like to check out 'X-ray Time and Motion' video on youtube. Please take care to consider effects of scattering (and consequential lengthening of x-ray wavelength) when you are minitoring your set up. One of your survey meters ought really to be calibrated for very low kv.

Dzieki xrayelder

[wytrzeszczux]

Naprawdę niezłe robota. mam pytanie czy dobrze zrozumiałem :

lampa rentgenowską strzelasz do tego co zamierzasz prześwietlić

następnie masz ekran z ... (z czego?)

i normalny aparat cyfrowy tak?

[c4r0hv]

@wytrzeszczux

Tak. Ekran wzmacniający wyciągnięty z kasety RTG.

[fercarcas]

castaldofc  htmai cm

[fercarcas]

hello, To check out the resolution of your digital-pics (taken from the enhancement screen) would you please make available on your gallery a high-resolution picture of a cell phone or another electronic device? I 'd like to verify if the components solder over pcb pads can be tracked with some resolution, e.g., BGA components. I would appreciate this very much. thanks

[c4r0hv]

@fercarcas

Give me your e-mail address and I'll send you some.

[fercarcas]

hello again, do you have any idea how to enlarge the captured image on screen? perhaps some use of lens, or some like that. My purpose is to enlarge the electronic circuits inside electronic devices. thanks

[c4r0hv]

@fercarcas

Why do you want to enlarge it? Can't you enlarge the picture after x-raying? From image quality point of view, it will be the same or even better.

[fercarcas]

Another question: Did you tried to "zoom-ing" the x-ray images onto screen by placing objects a little far from the screen? Do the quality and undistorted images remain? thanks

[c4r0hv]

@fercarcas

Yes, I tried. As can be expected, the larger objest-to-screen distance, the more blurry the image is.

[fercarcas]

thanks for excellent video. I have two questions, the first one (a) Why the stand still pictures are so good and the moving ones (in the very begining of the video) lack of resolution and quality ? Is any kind of "photoshop-ing" ? (b) the used x-ray head: you only plug into AC mains? how to control KV and heater current ? thanks for replay

[c4r0hv]

@fercarcas

(a) Still pictures are better because the exposure is longer. The exposure time for still pictures was approx. 1.5s. In case of the video, exposure time of each frame is less than 1/30th of a second (@30fps). That causes the image to be very dark, and when you try to bright it up using editing software the image becomes more blurry and noisy.

(b) Yes, only mains power. There's no control of neither hogh voltage nor filament current - it's all fixed.

[jagman31]

Great work. I admire your hobby.  Actually, I'm quite envious because I've always wanted to be able to do this!

[Wowgait]

You should take a quick xray look at your skull. That would be cool.

[donnyab]

are you sure "x-raying" your hand is a good idea

[c4r0hv]

@donnyab

Absolutely not, but it results in good pictures for sure :D Heh, FYI I have a bunch of different dosimeters and a lead apron. I really know how to do it safe, or at least as safe as it is done in the hispital.

[JosephGubbels]

very cool images, but hard to understand some of the explanations due to the poor grammar

[c4r0hv]

@JosephGubbels

Please specify which parts you don't understand and I'll be happy to correct those.

[JosephGubbels]

@c4r0hv

1:00

The last sentence where you're saying "it's not x-rays itself what causes the film to blacken but that visible light from the screens", I don't understand what this means

[c4r0hv]

@JosephGubbels

There's a phosphor sheet called "intensifying screen" that glows green or blue under x-rays. It speeds up the exposure process, because x-ray films are more sensitiva for that glowing visible light than to x-ray radiation.

[RRoonn258]

I know but its funny :D

[RRoonn258]

1:42 Skrew in finger ;D

[c4r0hv]

@RRoonn258

It's a gas valve in the lighter that allows you to refill it.

[puddingpimp]

You should look at using Lucky imaging to combine multiple exposures, should get rid of some of the speckle.

[niiidar]

Happy to see that you know what you are doing! X-rays are dangerous O_O

[MrGoogfan]

That's a lot of exposure. I hope you use a lead apron.

[c4r0hv]

@MrGoogfan

Yes, of course I do.

[1ownjoo2]

awsome lol

[TurKdiRty]

sick as

[TheFlyingpigy]

kick ass

[chrisgj198]

if you put a mirror at 45 degrees so that the camera can see the screen reflected in the mirror, but the beam does not pass through the CCD, then i guess you might be able to reduce the flashes when xrays hit the CCD (though they are interesting to see). Perhaps there would still be some due to scattering.

[c4r0hv]

Yep, you're right :)

[boogieman106]

yeah... not so much! x-rays are LIGHT. film is LIGHT sensitive. the intensifier screen HELP to intensify the x-rays on the film so lower dosage of radiation can be used. the x-rays DO create a latent image on the film, meaning they did react with the silver. its like this, if the x-rays didnt create the image and only the intensifier screen did, we wouldnt need x-ray tubes... LEARN THE FACTS before you say something that makes you seem plum out stupid!

[darkdjo]

Wonderfull video !! Your photos are like professional's !

[KarbineKyle]

5/5!! INCREDIBLE! That is an AWESOME X-ray assembly you have! The images are beautiful! I hope to do the same if I can afford it! Great Work!

[modestech]

I'm going to try to use dental x-ray film that has the intensifier included. They include the developing solution with it (found on eBay). It will be very tiny images but it's good for limited experiments. Do you offer any advice about the dental x-ray film?

[c4r0hv]

Rather not, especially about films that you described.

[modestech]

Ok, thanks. Probably that film is very low quality anyway and very slow.

[olivierTUBO]

Impressing!

[formatdyskuc]

Nie obawiasz się napromieniowania pakując ręce prosto w strumień najsilniejszych X'ów?

I skąd ty bierzesz ten cały sprzęt RTG? Bo z tego co wiem to masz też takie "poważniejsze" lampy RTG.

[c4r0hv]

To jest głowica dentystyczna - ludzie najczęściej pakują tam głowę, więc prześwietlając rękę te trzy razy raczej się nie bałem (chociaż oczywiście nikogo do tego nie namawiam!). Skąd biorę sprzęt? Głównie allegro. A ta "poważniejsza" lampa którą mam jest na 20mA, to jest zabawka lampach z wirującą anodą pracujących przy nawet 500mA, które są stosowane do takich rzeczy jak prześwietlenia kończyn :)

[arrancarfish]

The little white specks are xrays seen on film like those old chernobyl footage tapes.

Creepy stuff.

[teslafredde]

What type of intensifying screen did you use and how much did it cost?

[c4r0hv]

The green one is Fuji UM MAMMO FINE, it's from used mammo cassette that I bought for about $20. Blue one is DR GOOS LGY 400, I got the cassette for free. Check my website for details. The address is in this video description.

[NORIRAFGEYMIR]

AWSOME! nice video

[laser5890]

6vs1

[Sixta16]

CHDK is not a software hack lmao. That only canon devices can boot user software from flash card.

[c4r0hv]

'CHDK is a firmware enhancement that operates on a number of Canon Cameras.'

'Firmware upgrade' function is used to start the CHDK so the camera must 'think' that it's a firmware.

[LechuCzechu]

Czy sprzedałeś już poprzednią maszynę RTG (z lampą Philipsa)? Nie pytam dlatego że chciałbym kupić, tylko w celu czysto informacyjnym :) .

Inna sprawa: czy dałoby się konserwować jedzenie twoją maszyną? Czy jest wystarczająco silna żeby zabić wszystkie mikroby i odczuwalnie przedłużyć okres przydatności do spożycia?

[c4r0hv]

1. Nie do końca.

2. Nie mam pojęcia. O ile wiem przy produkcji takich rzeczy jak strzykawki czy inny tego typu sprzęt medyczny stosuje się promieniowanie X do dezynfekcji już po zapakowaniu. Nie wiem jak się to ma do jedzenia ani jakie natężenie i energia promieniowania są potrzebne.

[AScannerClearly]

Very muchly awesome. I need to get one of those intensifier screens!

[Dharok60]

the white dots are gamma/x rays hitting the ccd

[c4r0hv]

Yes, I wrote this at the end of the vid ... ;)

[Uzzors2k]

Awesome! Great video. That X-ray head gives you a tight beam, I wish I had that kind of shielding. Nice bargin on the x-ray head, where did you find it? Ebay, or local online auction site like QXL?

[jrbpyro101]

Can you develope regular black and white photo paper with x rays?

GREAT VIDEO TOO!!

[c4r0hv]

Did you mean 'expose'? :) Developing photo paper is making the image on an exposed paper to be visible and it always needs some chemicals. I can expose photo paper with x-rays using intensifying screen, but as I wrote in the video in this case it's actually a visible light exposing paper not the x-rays itself. X-rays without an intensifying screen would also expose a paper but several dozen times longer exposure time would be needed.

[c4r0hv]

If you haven't seen my website click the link in this video description, then klick UK flag on the right of the website and go to 'making x-ray pictures' section - there's everything described ;)

[jrbpyro101]

thanks

[bellinivernon]

Exelente ! ; gracias ,desde argentina.