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Topic: Infrared photography

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Infrared spectroscopy

	INFRARED PHOTOGRAPHY
		Infrared photography is of interest to the amateur and commercial photographer and to scientists and technologists because it produces images that are not possible with conventional photographic films.
		Infrared photographs have been used for the construction of charts, the study of sandbars and silting of navigable channels, the control of erosion and pollution, the charting of currents, and the study of marine life.
		Infrared photography is one of the accepted tools of the applied photographer, and the imaginative worker should have little difficulty in recognizing its possibilities and enlarging its field.
	www.rit.edu /~andpph/text-infrared-basics.html (3854 words)

	Reflected infrared photography: Films
		Infrared sensitizing dyes were discovered early this century, but infrared materials were not widely available until the 1930's.
		The 'light piping' means that infrared radiation entering the film structure, at say the leader, is able to internally reflect within the film base along into the bulk of the film within the cassette.
		The limited infrared sensitivity means that care in the selection of a filter for use with this film is therefore imperative; the narrow-cut Wratten 87A, B, or C, for example, would lead to virtually no result.
	msp.rmit.edu.au /Article_03/02e.html (1272 words)

	LifePixel Digital Infrared Photography IR Conversion And Modification Services.
		Infrared film of many types has been available for decades and photographers have been using it successfully but not without some trial and error in their photography.
		Because infrared film is sensitive to visible light as well as infrared light a special infrared filter needed to be attached to the front of the lens to block all visible light and only pass infrared light.
		It is still possible to shoot digital infrared photography with an unmodified digital camera but the exposures become quite long and in most cases require a tripod, not to mention the need to place an infrared filter in front of the lens to block visible light.
	www.lifepixel.com (797 words)

	Haunted Chicago Infrared Photography Experiment
		Infrared photographic film is also sensitive in part to the portion of infrared light called near-infrared, and so it should allow a similar ability to capture any anomalous activity that is associated with the near-infrared spectrum of light when used in conjunction with a standard 35mm SLR camera.
		Due to the nature of the infrared light wavelength, some photography with infrared film will require focus adjustment of at least several percent, depending on the distance from the subject, regardless of what is seen through the viewfinder.
		Infrared images however are in perfect focus on a different plane that that of visible light, slightly behind the plane of the negative.
	www.hauntedchicago.com /infrared.htm (1300 words)

	Infrared Photography 2
		Infrared spectrum in the range from 700 to 925 is the region that is most accessible to conventional photography.
		Sheet film holders are particularly troublesome with infrared photography and should be kept in the dark as much as possible.
		Since the range of infrared spectrum beyond 1350 nanometers is thermal radiation and imaging here involves recording heat patterns, infrared film tends to be especially sensitive to heat and age fogging.
	www.photo.net /photo/edscott/ir000010.htm (710 words)

	Infrared photography - Wikipedia, the free encyclopedia
		This part of the infrared spectrum is referred to as near-infrared to distinguish it from far-infrared, which is the domain of thermal imaging.
		Infrared photography was popular with 1960s recording artists, because of the unusual results; Jimi Hendrix, Donovan and the Grateful Dead all issued albums with infrared cover photos.
		Infrared photography is usually not practical with these cameras because the exposure times become overly long, creating noise and motion blur in the final image.
	en.wikipedia.org /wiki/Infrared_photography (1188 words)

	Infrared Photography: Photography Techniques: Learn: Digital Photography Review
		With most imagers, even if they do respond to infrared light, their sensitivity to this part of the spectrum is very poor and exists many, many stops lower than their response to visible red, green and blue.
		While the imaging chips in the majority of 2 and 3 megapixel cameras have a pronounced sensitivity to infrared light, they are teamed up with an IR absorbing element in the optical path that keeps the IR from spoiling visible light images.
		Infrared wavelengths are longer and focus at a different distance behind the lens.
	www.dpreview.com /learn/?/Photography_Techniques/Infrared_Photography_01.htm (1549 words)

	Infrared Photography
		While the infrared range is extensive, only regions near the red wavelengths are visible to photographic film and digital sensors.
		Infrared film is like any other film except it is shifted to the red spectrum.
		Infrared light is reflected from the camera film pressure plate back onto the film and appears as a halo.
	www.kleinphotographics.com /Instr/infrared-1.htm (1805 words)

	Understanding & Using Black & White Infrared Film
		Infrared films, for the most part, are sensitive to the full visual spectrum of light and then extend further into the infrared spectrum.
		Infrared film is beyond the visual spectrum and focuses on a different plane.
		Konica Infrared 750 is a panchromatic film that has a sensitivity covering 400nm to 500nm (violet to green) and from 640nm to 820nm (orange to near-infrared) and peaks at 750nm.
	www.vividlight.com /articles/2915.htm (4155 words)

	eBay Guides - Infrared Photography
		As infrared film exposes from the lower bands of near infrared (invisible light); it is indeed deceptive to use in an indoor setting.
		As the lighting used in my photography is very bright, giving off very little visible light, additional lighting was needed to allow for the photographic exposure; even with the additional lighting, difficulties occur causing under or over exposure.
		As the current lighting deals mainly in the primary red range of the visible light spectrum, a balance of the visible light spectrum was needed and excessive invisible light (infrared) was a primary concern with the indoor infrared photography, as I also had no means to measure it.
	reviews.ebay.com /Infrared-Photography_W0QQugidZ10000000000813374 (2259 words)

	Ghost Photos with Infrared Film
		I want to warn you before trying infrared film that there is a lot of experimentation involved with becoming good at it, a lot of money that can be spent in collecting the necessary tools and a lot of time that will be used in working at it.
		Infrared films are sensitized to light that we can see with the naked eye, as well as light that is of a different wavelength of radiation and is invisible to us.
		Infrared film is sensitive to heat and must be kept refrigerated before it is used.
	www.prairieghosts.com /irphotos.html (1059 words)

	Adobe - Design Center : Infrared photography goes digital
		With the right camera and the right filter, you can take digital infrared photographs that are every bit as beautiful as their film counterparts—and a lot less trouble to create.
		Infrared photography deals with the spectrum of light that you can’t see but that your digital camera can.
		The first thing you’ll notice in infrared photography is that the blue sky goes dark and that most trees turn very light.
	www.adobe.com /designcenter/photoshop/articles/phs8kbinfrared.html (793 words)

	Infrared Photography examples
		Infrared photography for aesthetic purposes is widespread and fine-art examples are pervasive in the world of photography.
		This is true but this is not due to infrared "prints" but simply to the fact that there are indentations in the diagonal path where it is crossed by the other ones.
		An infrared transmitting filter placed over the lens allowed only these newly formed wavelengths to pass on to the film, which was Kodak's High Speed infrared material.
	www.rit.edu /~andpph/text-ir-examples.html (762 words)

	Infrared, Photography, Artists, Visual Arts, Performing Arts at World Wide Arts Resources
		Original nude photography in research of indoor infrared photography, body painting to research color perceptions, and original art work by Donald Aaby, graphic site with some documentation of research...
		Photography is fl and white, medium format or infrared.
		Scenic landscape photography, artistic figure studies and infrared nude photography, expressing my vision of the beauty of the world we live in.
	wwar.com /categories/Artists/Photography/Infrared (252 words)

	wrotniak.net: Infrared Photography with a Digital Camera
		To answer the question briefly: photographs in infrared show quite unusual tonality, different than that to which we are used, and this may make them esthetically pleasing, at least in many cases.
		Others, however, are so used to the large grain in infrared films, that they consider the noise a part of the "infrared look" and want to emulate the effect in the digital medium.
		Experiments with Digital Infrared Photography by Ross Alford is a nice article with some pointers on obtaining interesting pseudo-color effect by image layer manipulation.
	www.wrotniak.net /photo/infrared (3010 words)

	Infrared Photography by Thom Hogan
		Infrared is a spectrum of light beyond that which we normally see.
		Infrared light focuses at a slightly different point than visible light, so make sure that you use an aperture in Step 6 that has a decent depth of field.
		Once you’ve taken an infrared shot, you’ll probably want to manipulate it a bit to make it better emulate the look of infrared film, which has unusual "color" (white foliage, for example) and a bit of graininess and bloom to edges.
	www.bythom.com /infrared.htm (1122 words)

	Infrared Photography (Site not responding. Last check: 2007-09-11)
		To the human eye, infrared is a colorless and invisible spectrum.
		Fortunately for photographers, infrared light can be captured on film and via digital media, with interesting and sometimes colorful results.
		The colors we see in IR photography come either from a chemical process (in the case of color IR film) or a combination of hardware and software (in the case of digital cameras.) For this reason, color IR photography is commonly called "false color" infrared.
	www.outdooreyes.com /photo64.php3 (1277 words)

	Infrared photography - popular myths
		There are a lot of myths surrounding infrared photography, probably because IR is a bit of a pain to deal with and the effects are often somewhat unpredictable.
		In fact, a useful way to think of IR photography is to call it “reflected IR photography,” as a reminder that you’re recording the infrared energy reflected from things (unless you point your camera right at the sun or whatever, of course).
		However, “infrared light” is a convenient concept, since photographically-detectable IR (from around 700nm to apparently about 1200nm) behaves basically like visible light from a photographic point of view - it can be altered optically and doesn’t behave like gamma radiation or radio waves or anything.
	photonotes.org /articles/ir-myths (4255 words)

	Infrared Photography Books
		This book addresses the science behind infrared photography in far more detail than any of the popular books on the subject, and provides a wealth of useful information.
		A relatively technical introductory book on infrared photography, with details on the exposure and processing of Kodak High Speed Infrared (HIE), filters, etc. By "relatively technical," I mean in comparison to many of the other popular books on infrared today, especially the others available from the same publisher, Amherst Media.
		Advanced Infrared Photography Handbook by Laurie White Hayball, takes up where her previous book left off, providing more detailed exposure, filtration, and lighting information.
	www.phred.org /~josh/photo/irbooks.html (1066 words)

	Coolmint Infrared Photography.
		Infrared photography is an amazing insight into part of the spectrum of light which is beyond the visible range but can be easily captured on infrared film.
		My fascination first started when I was given a book which had a single page containing colour infrared pictures, I then had the task of finding out where to get the film and, at the time, how to process the film.
		From all my web published infrared photographs I've have gathered them together in a gallery for your enjoyment, there's two ways to view the pictures, one is a progressive gallery, taking a view, one at a time, of my favourite infrared pictures, the other method is by a thumbnail collection.
	www.coolmint.co.uk /infrared (214 words)

	Infrared Photo Gallery by Jeffrey Klassen at pbase.com
		I already have expirience with infrared film, and digital infrared with a point and shoot.
		Your work is very impressive, and though you've chosed to use IR in all these photos, your story telling ability, friendship for nature, and awareness of the drama in nature all come through in your work, and it is a great pleasure.
		The grass was blowing in the wind and it was a long exposure so it is blurry around it, but I assure you it was there.
	www.pbase.com /jeffreyk/infrared (1047 words)

	boomslice : digital infrared photography courtesy of reggie linsao
		I started experimenting with digital infrared photography in a quest to create images that are different from everything else that's out there.
		I've been shooting digital infrared photographs for a few years now, and it's still a bit of a crapshoot.
		Part of the reason why I enjoy infrared photography so much is because there's an element of surprise when I'm out shooting.
	www.boomslice.com /photos_IR.cfm (292 words)

	Infrared Photography - IR
		No, the G3 was not designed for IR photography, nor are most digital cameras.
		The post processing of the infrared photos require some interesting changes to the photograph.
		This article is meant to be an initial introduction to digital infrared photography.
	www.outdooreyes.com /photo94.php3 (1055 words)

	Infra-Red Infrared Photography © 2005 KenRockwell.com
		IR photography is fun because green trees and plants reflect a lot of IR so they look very bright in IR.
		Blue is from 400 - 500 nm (nanometers), green is from 500 - 600 nm and red is from 600-700 nm.
		Black-and-white IR photography uses film that is specially sensitized to IR.
	www.kenrockwell.com /tech/ir.htm (2624 words)

	Infrared Photography - Some Personal Experiences
		Infrared photography allows us to see familiar subjects in a totally different light (pun intended ;-) therefore combining creative as well as explorative approaches.
		Another subject that is naturally related to infrared photography is lith printing.
		Infrared Photography at the at the Royal Melbourne Institute of Technology
	www.pauck.de /marco/photo/infrared/infrared.html (203 words)

	Infrared Photography - What is Infrared?
		Radio, microwaves and infrared radiation populate the lower frequency areas of the spectrum.
		With many digital cameras there is an infrared blocking filter built in to the camera lens to remove sensitivity to most infrared radiation.
		Camera backs such as the PhaseOne Powerphase FX+ have CCD sensors that are highly sensitive to infrared light and require a blocking filter to be used for conventional photography.
	idp.bl.uk /papers/infrared/2.html (342 words)

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