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May 24, 2005, 1:56 AM
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#1 |
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Junior Member
Join Date: May 2003
Posts: 18
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Hi to the forum. Are there any filters for x-ray photos? I have an Olympus c730.
Can someone explain me how the whole thing works? Thanks in advance. If you believe that I have posted it in a wrong section please move it. |
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May 24, 2005, 10:05 AM
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#2 |
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Moderator
Join Date: Sep 2003
Location: Beaverton, OR
Posts: 8,466
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If you are talking about a filter that produces x-ray photos, I am fairly certain that no such animal exists. If you are talking about a digital software filter for PS or PSP there may be something available the produces an "x-ray like" effect. However, for a true x-ray photo, you need the gamma or x-rays produced by an x-ray machine to be able to penetrate the subject and give a "shadow" of the interior. Medical x-rays are just shadows where more dense objects block varying amounts of the radiation from the film.
Cal Rasmussen |
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May 25, 2005, 2:02 AM
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#3 |
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Junior Member
Join Date: May 2003
Posts: 18
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I saw some greenish pictures and the guy said they are x-ray pictures. I know that they can't be real x-ray pictures and all the technology behind them. I thought he must have used some kind of filter, or a special mode that his camera supports. This is what I'm looking to explain. Is there any filter that gives that effect? Or perhaps if you shoot using a night, probably, mode do you get that result. Unfortunately I haven't got an example to post. I will look again and if I find something I'll post it. Thanks
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May 25, 2005, 7:35 AM
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#4 | |
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Administrator
Join Date: Jun 2003
Location: Savannah, GA (USA)
Posts: 22,378
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Tomy wrote:
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May 26, 2005, 5:40 AM
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#5 |
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Junior Member
Join Date: May 2003
Posts: 18
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He said x-ray but I suppose he meant infrared... because I think he mentioned something about sony camera too.
So it is a 'special' mode that sony have...? Ok thanks probably I won't be able to make it because I've got an Olympus. |
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May 26, 2005, 5:54 AM
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#6 | |
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Administrator
Join Date: Jun 2003
Location: Savannah, GA (USA)
Posts: 22,378
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Tomy wrote:
Quote:
Yes. Most modern Digital Cameras have a Hot Mirror Filter (IR Block Filter) in front of the sensor to reduce IR light. Some Sony models have a feature that moves the Hot Mirror Filter out of the way. In Night Shot Mode, the camera uses an IR Emitter to illuminate the subject (good for closer ranges) with the IR Block Filter moved away from the sensor. This allows the camera to see subjects in total darkness. However, the photos are rendered in a monochromatic (greenish) color. |
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Jun 30, 2005, 1:40 AM
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#7 |
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Senior Member
Join Date: Jun 2005
Posts: 188
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there are some filters out there that block UV and let IR pass
you end up with a green image IR passes through some cloth thats what they are calling X-Ray you need a Nite vision camrea to use it they claim Sony Handycam works why someone would want to look as green bodies is beond me it would be like lookin as Marsians |
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Jul 12, 2005, 7:50 AM
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#8 | |
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Junior Member
Join Date: Jul 2005
Posts: 6
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TechJD wrote:
Quote:
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Jul 12, 2005, 10:31 AM
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#9 |
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Member
Join Date: Jun 2005
Posts: 59
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Wow, an Olympus c730 can detect ionizing radiation? Call your local radiology department, they're clearly overpaying for their equipment!
Don't you find it kind of a drag to carry around a portable generator and cascading microchannel plates to generate the X-Rays, though? I mean, that's gotta be pretty heavy, and X-Ray generation isn't very power effecient. |
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Oct 27, 2005, 9:59 PM
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#10 |
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Senior Member
Join Date: Dec 2004
Posts: 1,936
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This sounds like the ads on the back of comic books for x-ray glasses so ou could see through clothes.
BiLL  |
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