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Digital Infrared Photography by photo-class Digital Infrared Photography by photo-class
:wave:

A second tutorial from :icongriff-flyer:, this time about true (i.e. not Photoshopped) Digital Infrared Photography, the theory, the equipment, and the technique. Let's see what Infrared Photography really is and how it can be acheived digitally.

Thanks again to *griff-flyer; layout by ~roy204.

As always, let us know about critique, comments and ideas you have as well as things you'd like to add to the article.


Enjoy!
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:iconletterq:
LetterQ Featured By Owner Jan 14, 2013  Professional Interface Designer
quite detail with the explanation on each parts, thank you very much
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:iconokavanga:
Okavanga Featured By Owner Nov 5, 2010
While this tutorial covers some important stuff about IR photography, particularly filters etc., there are several aspects that are probably not strictly correct. For example, it is commonly stated that the reddish hues that are seen if you use AWB are caused by the filter not cutting off all the red light. While there may be a tiny leakage of red light through a filter, it is actually the spectral response curve of the red filters on the red sensor in the Bayer arrays that cause the red colouration. Here is a link to a long thread at Cambridge in Colour that explore this and other issues.
[link]
If anyone wishes to discuss these matters further reply to this comment or check out my deviant page.
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:iconjohnynoir:
JohnyNoir Featured By Owner Oct 9, 2010   Photographer
Sweet!
Reply
:iconscottphotographics:
scottphotographics Featured By Owner Sep 17, 2010
Nice, Thanks!
Reply
:iconaccebera:
Accebera Featured By Owner Aug 28, 2010
Thanks for sharing this! =D Very helpful.
Reply
:iconsnowpeace19:
snowpeace19 Featured By Owner Dec 8, 2009
thanks for sharing it...:)
nice tutorial
Reply
:iconbdwfh:
bdwfh Featured By Owner Jun 7, 2009
cool! i have an IR filter coming soon... this will be helpful, thank you. :peace:8-)
Reply
:iconravenswan:
Ravenswan Featured By Owner Mar 6, 2009
Thanks heaps!
It seems every photo magazine in Australia this month has an infrared feature article but you explained it better and gave much more useful information on how to do it!
They all had articles on the post processing but nothing on getting the shots to start with and I think that although you could take infrared pictures with trial and error,it's very handy to have an introduction such as yours.
Reply
:iconkahladelahay:
KahlaDelahay Featured By Owner Feb 5, 2009  Professional Photographer
fantastic! I bought an IR filter today and this tutorial has really helped!

I'll be off out tomorrow with my tripod and camera!
Reply
:iconbrightii:
brightii Featured By Owner Jan 15, 2009  Hobbyist Digital Artist
featured it here: [link]

thank you for sharing. :aww:
Reply
:iconevanesces:
evanesces Featured By Owner Jan 14, 2009
very helpful and inspiring piece... awesome work
Reply
:iconwreck-design:
wreck-design Featured By Owner Sep 5, 2008
This is great, my Hoya R72 came in the post today, cant wait to have a go, the weather is terrible though :(

Thanks for the great tut!
Reply
:iconparisky:
parisky Featured By Owner Aug 6, 2008  Professional Photographer
now all I have to do is to buy an infrared filter ;)
Reply
:iconeuphorix3:
euphorix3 Featured By Owner Feb 26, 2008  Hobbyist Photographer
thnx for sharin...:D
Reply
:iconnivexus:
Nivexus Featured By Owner Oct 14, 2007   Photographer
I found this tutorial extremely useful. I've wanted to try IR photography but i have held back on getting a filter simply because i don't know how to take IR pics. I, like some of your other readers, am also interested in knowing the post processing segment. I think i might hold off a while longer on IR photography until i know how to get it from the red picture state to a picture with blue sky.
Thanks again for the tutorial!
Reply
:iconm0riendi:
m0riendi Featured By Owner Jul 23, 2007
very helpful :D
Reply
:iconturtlevvisperer:
TurtleVVisperer Featured By Owner Jun 27, 2007
Thank you! I'm thinking of getting a hoya r72 for my canon 350d in a month or too.

I can't wait to mess around with it and get frustrated, leave it in my camera bag for 6 months, come back and get good at it and then start taken some awesome pictures!
Reply
:iconrantart:
rantart Featured By Owner Jun 13, 2007
what about whit balance??
Reply
:iconsilentsawer:
silentsawer Featured By Owner May 23, 2007
"focusing before putting on the filter" i thought (from what i saw) that the focus distance is modified by the filter(the distances are not the same anymore), at least that is what happened to me before :)
Reply
:iconjamesilluminare:
jamesilluminare Featured By Owner May 23, 2007  Professional General Artist
This could come in handy, nice work :)
Reply
:iconalistersvperstar:
alistersvperstar Featured By Owner May 3, 2007
This was great, intressting and well written.
Hope you dont mind if I asks some questions.
Can I use my Canon EOS 350D with a IR filter without it'll hurt my camera or my lens?

And, how do I get a colourized IR photo? like 1&4pictures?
/ALister.
Reply
:iconadnrey:
adnrey Featured By Owner Jan 30, 2007  Hobbyist Digital Artist
;)
Reply
:iconlidehtium:
lidehtium Featured By Owner Nov 8, 2006
This is perfect. Exactly what I was looking for!
(I even took notes =P)
Reply
:iconfuryah:
Furyah Featured By Owner Jun 12, 2006
Helpfull, I'm impatient to get a filter :)
Reply
:iconelevatorangel:
elevatorangel Featured By Owner Feb 11, 2006
i've been looking for an easy tutorial for IR photography for ages! This was really really helpful:)
Reply
:iconeduardofrench:
eduardofrench Featured By Owner Jan 4, 2006   Photographer
the best tutorial I have read about IR photography many many thanks :clap: :clap:
Reply
:iconboysennumba5:
boysennumba5 Featured By Owner Dec 28, 2005   Photographer
you mention in the article that coloring effects are also possible. What methods are often used to do that?
Reply
:iconcaaffamanin:
CaAffaManin Featured By Owner Sep 13, 2005
Very, very interesting! I'm still very new to photography, but I hope to really dig into it and try new things--this definitely being one. Definitely going to +fav this.
Reply
:iconrapidvision:
rapidvision Featured By Owner Jul 22, 2005
wow this is verrry helpful, i'm waiting for my R72 to come in the mail... :nod: thanks for posting this.
Reply
:iconbrassshadow:
brassshadow Featured By Owner May 2, 2005  Hobbyist Photographer
I found this tutorial to be tramendiously useful,
Combined with a tip from another source I managed to make my own IR filter out of two pieces of exposed slide film layered ontop of eachother,
This could be usefull for folks who can't afford an expensive IR filter or want to make sure that their camera can manage IR photography,
I've managed some fairly good results with that home made filter so far such as [link]
Reply
:iconsoulseek3r:
soulseek3r Featured By Owner Mar 4, 2005
awesome tut. Learnt about something i had no idea about.
Thanks.
Reply
:icongriff-flyer:
griff-flyer Featured By Owner Mar 6, 2005   Photographer
thank you!
Reply
:icondc-10:
dc-10 Featured By Owner Mar 4, 2005
Not a bad intro to IR photography but it could use a little more fine tuning. First off, when dealing with most digital Infrared photography we're talking about the near-IR spectrum, which does _not_ reflect room temperature heat like far-IR (thermal) imagery does. 99% of amateur IR photography one sees does not record heat. Most digital cameras are unable of recording anything in the far IR spectrum.

Also you glossed over one of the more tricky parts of IR photography and that is the IR focus shift. IR on most lenses focuses further out than visible light so if you're using a wide aperture and you focus on something in visible light then slap on the IR filter, your subject will be out of focus and just past it will be in focus. Many lenses actually have two focus scales, one for visible light and the other for IR. I loved my Canon G3 because it's lens was fast and it's wide DOF was so forgiving I could actually AF (and view on the LCD) in IR on a sunny day. Learning to focus in IR became an issue when I upgraded to my 300D.
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:iconphoto-class:
photo-class Featured By Owner Mar 7, 2005
That is definitely a worthy addition to the article, I too have had a lot of trouble figuring out focusing with my 7hi. This is definitely something that we will put in a second tutorial on Digital IR photography for additional tips and more advanced discussion.

Anything else you think we left out?
Thanks :) !
Reply
:icongriff-flyer:
griff-flyer Featured By Owner Mar 6, 2005   Photographer
If you read the article carefully the cut frequencies of the IR filters used are specified thus providing the limits of digital IR photography. I also specify that it is not possible, with conventional digital cameras (due to the IR low pass filter that eliminates most IR radiation) to "measure", or "see" "heat".
Reply
:iconaphasia100:
aphasia100 Featured By Owner Mar 3, 2005
Thanks

Awesome tutorial, and it explains a lot :D

I always presumed Infrared Photography was for pictures taken during the night time, rather than in the day time. Or is it possible with increased exposure time and the moon for light?
Reply
:icongriff-flyer:
griff-flyer Featured By Owner Mar 6, 2005   Photographer
It could be possible, I do not know what could come out but do not expect anything different than what is possible in the visible spectrum ;)
Thank you!
Reply
:iconaphasia100:
aphasia100 Featured By Owner Mar 7, 2005
Thanks for the reply.

I was just thinking about the fore mentioned heat. And then it struck me that power cables and cars have quite a lot of heat rediating from them. Well thanks for the tips. m definately gonna give it a go! :D
Reply
:iconmperko:
mperko Featured By Owner Mar 2, 2005
Nice work :)
Reply
:icongriff-flyer:
griff-flyer Featured By Owner Mar 6, 2005   Photographer
Thanks :thanks:
Reply
:icontheoman:
theoman Featured By Owner Feb 28, 2005   Photographer
I like this one a lot but i wish you had gone into some detail about the coloring that you somewhat glanced over in the last paragraph
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:icongriff-flyer:
griff-flyer Featured By Owner Mar 1, 2005   Photographer
thank you
the rest is simply photoshop, it has nothing to do with IR any more ;)
Reply
:icontheoman:
theoman Featured By Owner Mar 2, 2005   Photographer
I understand that but it would be nice to have some more extensive guide on how to do that PS work because it is rather complicated and some people may have trouble.
Reply
:icongriff-flyer:
griff-flyer Featured By Owner Mar 2, 2005   Photographer
Yes, I do agree, but it needs another tutorial to cover the entire argument, it is not so simple and immediate to be covered in only one tutorial together with the actual photographic tecnique that you would employ even with film photography. ;)
Reply
:icontheoman:
theoman Featured By Owner Mar 2, 2005   Photographer
i would agree i was merely critiquing and not attempting to insult or degredate in any way
Reply
:icongriff-flyer:
griff-flyer Featured By Owner Mar 2, 2005   Photographer
yes, I know, don't worry :)
I'm happy you ponted it out!
Reply
:icongregsters:
Gregsters Featured By Owner Feb 27, 2005   Photographer
I dont want to sound like an asshole but this tutorial was totally useless. If it was just an intro then I understand, but you totally skipped the hardest part of ir photography. how to make the pure red or purple images come out looking nice, with blue to pink skies and white vegetation. I think its obvious that w/ a filter that blocks all visible light that your expose is going to be large. You should really include the post processing of ir photos, such as using the red channel or lab channel for black and white and manual wb for color with blue and red channel switching in ps.
Reply
:icongriff-flyer:
griff-flyer Featured By Owner Mar 1, 2005   Photographer
sorry! I just felt that post processing is postprocessing
it doesn't have much to do with IR photography ;)

thanks for you opinion!
Reply
:iconphoto-class:
photo-class Featured By Owner Mar 1, 2005
Well.... First of all rest assured you don't sound like an asshole ;) and I can understand this tutorial wasn't very useful to you but all our tutorials can't be useful to all our watchers everytime, our audience is way too eclectic. Anyway, this one must at least have been useful to all the people out there who didn't know a thing about IR photography... As for covering the post-processing, this will be a separate article in the near future.

Cheers :)
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