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IR camera filter

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LocksmithArmy

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Post Tue May 25, 2010 5:01 pm

IR camera filter

well i hope this doesnt count as porn...
http://www.catsdomain.com/xray/

can anyone tell me if this works?
i almost wanna try it lol
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chris

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Post Tue May 25, 2010 5:07 pm

Re: IR camera filter

haha i don't know man...but it looks interesting.
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ChemicalRobot

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Post Tue May 25, 2010 5:15 pm

Re: IR camera filter

Haha interesting. I guess it makes some sense though. I'm always surprised at the things that are transparent in infrared light. For example, black garbage bags.

Edit: but you could probably find a filter MUCH cheaper than what they are selling.
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HallisChalmers

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Post Tue May 25, 2010 6:53 pm

Re: IR camera filter

Well, I don't know what to think...after all this is the same guy aka "The Lockpicker" that sells the lockpick kit and the tubular lock tension wrench.

Kinda cheesy items - but technically they do work.

Still, $25? Shit, I've spent more for less.

I admit it. We all have at one time or another.


[Edit: BTW - Here are some links to DIY projects to accomplish this using a piece of developed film. http://geektechnique.org/index.php?id=254 and http://photocritic.org/create-your-own-ir-filter/ Oh and this: http://www.brighthub.com/multimedia/photography/articles/43805.aspx

Might be cheaper.
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KokomoLock

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Post Wed May 26, 2010 1:21 am

Re: IR camera filter

I have one for my camcorder but have never used it. If you would like it let me know and I will send it to you, not sure on the thread though!
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elbowmacaroni

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Post Wed May 26, 2010 3:28 am

Re: IR camera filter

As HC mentioned, you can use developed exposed film as an IR filter. It DOES work, and well at that... but it gives everything a reddish-purple hue. But you can remove that in editing software to made a "standard" grayscale IR shot. Just pull the film out of the can in sunlight, rewind it and get it processed somehwere... tell them it sucks and you don't want any of the prints, they normally won't charge you and will give you the exposed and processed film strips back. You need to use B&W film for this though. I've made filters for my wife's digital point and shoot with some secured to the end of a short piece of CPVC pipe that fits snugly over the lens. It also helps if you use a big enough ID pipe to put some black velvet into it. Which serves two purposes, firstly it prevents light from getting in from the lens side, and secondly it prevents reflections inside the pipe from washing out the pics.

[edit] I moved this post to the photography tips and tricks forum from random ranter as it's a better fit[/edit]
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Tygart

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Post Wed May 26, 2010 5:08 am

Re: IR camera filter

Your joking right? Please tell me your joking...

No you can't use your camera phone to see a through clothing.. That would be X-ray not IR... IR is infrared its a light that your eye can't see.

If you have photo shop CS3 you can convert your photos to IR (Infrared)

GOOGLE IT it makes for some cool photos.

BTW look at the girls expression on the phone then on the picture.

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geardog32

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Post Wed May 26, 2010 5:28 am

Re: IR camera filter

Its not x-rays. if it were x-rays you would get nice pictures of bones and a small dose of cancer to go with it. the concept is based on the idea that infrared light can pass through many types of clothing but doesn't pass through human skin. this means that the reflected infrared light perceived by the camera is what was reflected off the skin. the ccd in the camera then translates it to an image we can see on the lcd. this has been done in the past with the older sony night shot cameras and the infrared filters.

now do i believe this will work? i cant say for now, but i do see possibility of it working. To give it an even better chance of working one could make an easy infrared light source to go along with it.

will i purchase it? NO! but i would be curious to hear from someone who did.
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bouncer965

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Post Wed May 26, 2010 7:35 am

Re: IR camera filter

geardog32 wrote:
will i purchase it? NO! but i would be curious to hear from someone who did.


I'd be more interested to see some of the resulting photo's :drool: :drool: :drool: :drool:
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LocksmithArmy

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Post Wed May 26, 2010 12:56 pm

Re: IR camera filter

for those still not understanding the concept... here is a nice demo :)
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Tygart

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Post Wed May 26, 2010 11:58 pm

Re: IR camera filter

You can get Modded Canon SLR's that shoot IR they do not see though clothing.

But I do have some magic beans for sale!!
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LocksmithArmy

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Post Thu May 27, 2010 1:41 am

Re: IR camera filter

shooting IR and having the proper IR filter are different...
(i have done much research since asking the initial question)

I had a cctv network growing up to monitor the cats... the ir in it helped see at night... the cats could see the ir bulbs(which was an odd discovery) but it couldnt see through clothes... because most cameras can see ir and visible light... the ir filter removes the visible light... that is the difference... seeing only in ir will only see what the ir bounces off of... g.e. skin but not many clothes...

this isnt a photography project its a light spectum scale project.
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elbowmacaroni

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Post Thu May 27, 2010 4:16 am

Re: IR camera filter

Tygart wrote:Your joking right? Please tell me your joking...

No you can't use your camera phone to see a through clothing.. That would be X-ray not IR... IR is infrared its a light that your eye can't see.

If you have photo shop CS3 you can convert your photos to IR (Infrared)

GOOGLE IT it makes for some cool photos.

BTW look at the girls expression on the phone then on the picture.

A fool and his money is soon parted.


Converting to "IR" in PS isn't really quite right looking compared to real IR shooting though.
"Cave ab homine unius libri" - Beware of anyone who has just one book

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(2014.02.09 - 23:27:37) huxleypig: aww, i suddenly feel very sick

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May those who love us, love us; and those who don't love us, may God turn their hearts; and if He doesn't turn their hearts, may he turn their ankles so we'll know them by their limping

If someone had prince albert in a can, does that mean they'd have a killer codpiece?

(00:52:02) WolfSpring: elbow could sell a sandbox to an egyptian
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elbowmacaroni

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Post Thu May 27, 2010 4:28 am

Re: IR camera filter

Tygart wrote:You can get Modded Canon SLR's that shoot IR they do not see though clothing.

But I do have some magic beans for sale!!


Yeah, they take the IR filter off the top of the sensor, and then you have to put a visible light (IR only) filter on the front of your glass. It's pretty cool, I've considered having my XTi modded since I also have a 40D. But, the only thing keeping me from it, is that I like to have a fallback in the event the 40D fails for some reason, and it's handy to carry two bodies when out shooting so that you're not always swapping your glass and getting dust inside. I mean, I got a good sensor cleaning kit with a lighted magnifier and all, but if ya don't need to clean the sensor it's even better.

And yeah, IR is pretty much stopped by clothing unless the clothing is sheer already...
"Cave ab homine unius libri" - Beware of anyone who has just one book

(2014.02.09 - 23:26:03) huxleypig: i freaking love cream
(2014.02.09 - 23:27:11) huxleypig: hey, come on, cream is nice
(2014.02.09 - 23:27:37) huxleypig: aww, i suddenly feel very sick

(23:37:46) LocksmithArmy: you should see my school girl outfit
(23:37:50) LocksmithArmy: wait... what

(13:19:50) xeo: that chick will never be satisfied by a real dick
(13:19:54) NNFAK: I would man...

(22:59:49) PhoneMan: how do you let a forum die if users keep using it? kill the servers?

May those who love us, love us; and those who don't love us, may God turn their hearts; and if He doesn't turn their hearts, may he turn their ankles so we'll know them by their limping

If someone had prince albert in a can, does that mean they'd have a killer codpiece?

(00:52:02) WolfSpring: elbow could sell a sandbox to an egyptian
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abroxis

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Post Thu May 27, 2010 10:11 am

Re: IR camera filter

What the ads for the ir filters don't mention is that there are too many variables in making the fabric seem transparent or semi see through for people to get the results they are expecting on a consistant basis.

Take a couple horny university students who happen to be physics majors,( they understood how to pervert science for their own phun) the right equipment and some of the results can be amazing. I believe wet dark fabric swimsuits at the pool or beach can yield very dramatic proof.

One of the links explains more for those experimental types.


http://www.hoax-slayer.com/see-thru-lens.html
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