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#31
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Are there any programs that can convert color infra-red photos to actual color?
On Thu, 29 Jul 2010 08:14:26 -0400, "J. Clarke"
wrote: On 7/28/2010 11:41 PM, Peter wrote: "Scotius" wrote in message news Well, you've convinced me. I still think B & W infra-red is a good idea for not bothering a band or crew though... or am I wrong about that too? Oh God don't let me be wrong about that too... can an IR flash be seen (I'm hoping not)? BW infra red changes the tonal quality of BW: You may also have focusing issues, unless you have an infra red marker on your lens. I have starting experimenting with it, by having one of my digital cameras converted to IR. The only way you can get IR color is in post processing. You can convert some colors to pseudo IR color. For rock bends you might get some interesting effects, but don't count on faithful reproduction. Here are some links to get you started: http://www.tutorial9.net/photography...d-photography/ http://www.tutorial9.net/resources/1...d-photographs/ IR is good for snipers and for special effects, but if you're shooting a concert there is no substitute for high ISO and large aperture. Some fabrics are somewhat transparent in infrared--you may end up effectively shooting your performers in their underwear. Gee... that would be... terrible... Yeah, I better stay well away from that... Here's one example that demonstrates the issue: http://www.youtube.com/watch?v=BzHCDknFbDU&feature=related. If you search youtube on "see through clothing infrared" or "nightshot see through clothes" you'll find numerous other examples. I remember hearing all the hooplah about how the Nightshot was "seeing through clothes". Apparently it left little to the imagination before they changed how much it sees. Damned corporate worrywarts... |
#32
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Are there any programs that can convert color infra-red photos to actual color?
On Wed, 28 Jul 2010 20:56:03 -0700, Savageduck
wrote: On 2010-07-28 20:30:25 -0700, Scotius said: On Wed, 28 Jul 2010 17:20:18 -0700 (PDT), otter wrote: On Jul 28, 4:35*pm, Scotius wrote: On Fri, 16 Jul 2010 16:36:20 -0700 (PDT), Nervous Nick Why would you want to do this, even if it were at all possible? * * * * I was recently covering a concert for a local magazine, and asked a stage manager about taking pix with the flash. He said go ahead and take a few with flash, but not too many, so as not to be distracting. ... * * * * I suppose for a huge event I could take one with flash and then recolor manually and submit the pix a couple years later , but that's not really what I was looking to be able to do. It is often not necessary, or even desirable, to take pictures with flash at a concert. These were taken (not by me) without flash. I wouldn't say they are great, but it shows that it is at least possible: http://www.flickr.com/photos/natalie...7623793453107/ http://www.flickr.com/photos/natalie...7623793453107/ Those were taken with a Rebel Xsi, which I think is similar to your D3000, as far as sensor size. You could also get a fast prime lens, or perhaps even a camera with a FF sensor if you wanted better low-light performance. Thanks for the advice. I think there are some settings I could have played with on mine that would have allowed me to get a better image, but I've got to read up a bit on it yet. If you are still considering IR, you could buy a use D70 or other camera and have these guys do a conversion for you. That way you would have a dedicated IR camera. They have several different options. Also check their IR gallery. http://www.lifepixel.com/digital-infrared/samples.html Thanks much. I'm not in a position to buy another camera just yet, but I might consider this when I am. |
#33
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Are there any programs that can convert color infra-red photos to actual color?
On Wed, 28 Jul 2010 22:13:24 -0700 (PDT), otter
wrote: On Jul 28, 10:30*pm, Scotius wrote: On Wed, 28 Jul 2010 17:20:18 -0700 (PDT), otter wrote: On Jul 28, 4:35*pm, Scotius wrote: On Fri, 16 Jul 2010 16:36:20 -0700 (PDT), Nervous Nick Why would you want to do this, even if it were at all possible? * * * * I was recently covering a concert for a local magazine, and asked a stage manager about taking pix with the flash. He said go ahead and take a few with flash, but not too many, so as not to be distracting. ... * * * * I suppose for a huge event I could take one with flash and then recolor manually and submit the pix a couple years later , but that's not really what I was looking to be able to do. It is often not necessary, or even desirable, to take pictures with flash at a concert. *These were taken (not by me) without flash. *I wouldn't say they are great, but it shows that it is at least possible: http://www.flickr.com/photos/natalie...n/set-72157623... http://www.flickr.com/photos/natalie...n/set-72157623... Those were taken with a Rebel Xsi, which I think is similar to your D3000, as far as sensor size. You could also get a fast prime lens, or perhaps even a camera with a FF sensor if you wanted better low-light performance. * * * * Thanks for the advice. I think there are some settings I could have played with on mine that would have allowed me to get a better image, but I've got to read up a bit on it yet.- Hide quoted text - - Show quoted text - Yeah, look at the "ISO Sensitivity" section in your manual. I think you can get that camera up to 3200, but you need to see what that does to noise. It gets pretty noisy at the higher ISO settings, depending on how much available light there is. It's okay though, because I can always shoot with a faster shutter speed in RAW format and then brighten it up without banding at home later on. |
#34
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Are there any programs that can convert color infra-red photos to actual color?
On Thu, 29 Jul 2010 09:10:47 +0100, "whisky-dave"
wrote: "Scotius" wrote in message .. . On Fri, 16 Jul 2010 16:36:20 -0700 (PDT), Nervous Nick wrote: On Jul 15, 7:48 pm, Scotius wrote: I know that color infra-red images look really weird (for lack of a better term), but I once read that infra-red light cuts through fog/haze etc better than regular light, which I suppose is why B & W infra-red shots always look better than B & W shots without IR flash. So I'm wondering if there's a program that could accurately predict based on IR color what the colors present should be, and convert them, so it would be possible to do color shots better in haze, etc. Anyone know of anything like this? Why would you want to do this, even if it were at all possible? I was recently covering a concert for a local magazine, and asked a stage manager about taking pix with the flash. He said go ahead and take a few with flash, but not too many, so as not to be distracting. I had read about B & W infra-red photography in an old issue of Popular Mechanics, I think, that my Dad had lying around somewhere. Then I had read an article on color infra-red, and I thought "Oh, well then I'll just shoot pix like that in color infra-red and convert them on the computer back at home. People can't see infra-red, so there won't be a visible flash, and I'll convert the pix and have great shots that didn't bother anyone". I'm not sure that is practical, while you can't see infra red I'm not sure if ther';s a flash that flashes infra red. I've used colour IR in the past in was the old E4 process (slide/transparency film) and from memory the film is very slow for gig purposed under 100ASA. It's since been explained to me that there's no method of converting the color infra-red pix, since the information about actual color is just as gone in those as it would be in black and white. I suppose for a huge event I could take one with flash and then recolor manually and submit the pix a couple years later , but that's not really what I was looking to be able to do. I've used IR a few times, and gigs quite often. I;m not sure if it'll be any good for gigs though. http://www.flickr.com/photos/whiskydave/616881236/ What I'll probably end up doing is just shooting with a high enough ISO and fast enough shutter speed to have an image but not have it blurry, and if I shoot in RAW format, brighten it up later. I've noticed that the RAW files don't have "banding" after changing the colour or brightening, since there's so much more information there. |
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