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4
votes
4answers
141 views

Map R+G+B+infrared to R+G+B?

A photograph that includes color beyond the usual visible spectrum can be constructed by "overlaying" the image from a conventional camera with that from an infrared (or ultraviolet, or x-ray) one. ...
2
votes
1answer
50 views

How do you focus a shot with an IR/UV passfilter?

I'm researching the world of photography outside of the visible spectrum and I'm really curious to get my hands on some filters, the Baader-U for example, to try shooting in these spectra. However, I ...
5
votes
1answer
104 views

Converting cameras for infrared use: When does the filter have to be replaced, and when is simply removing it ok?

When converting a digital camera for infrared use, the general approach is to remove any filters that limit its sensitivity to the visible range of light wavelengths. Some conversions replace the ...
17
votes
4answers
2k views

Hour long exposure of the sun

I'm attempting to do a shot without causing damage to my camera...A hour long exposure of a sunset. I've have used two pieces of welder's glass and got this shot. It caused a purple haze over a good ...
2
votes
2answers
219 views

Do I need a filter to use my Canon EOS 60Da for daylight photography?

Which filter do I need for the 60Da to use it in normal daytime use? Apparently I need a IR filter. Could someone please explain exactly which one I need and perhaps a link to a place I can buy one? ...
0
votes
1answer
367 views

Canon RC-6 remote control not working with Canon 550D

I recently bought a Canon RC-6 and got dejected as nothing happened after clicking the button. The product seems to be working fine with Canon 600D. Later, I read somewhere the RC6 won't work with ...
17
votes
5answers
2k views

Do the infrared photographs really contain infrared colors?

In school, we all learned that from white light we can only perceive the visible spectrum but we can't see UV or the IR portions. If this is the case, then how come we can do infrared photography?. ...
0
votes
2answers
62 views

Why is my IR camera recording images when no IR light is present?

Why is it that with my camera (an old DVT Legen) and an 850nm IR pass filter, I see light in my images even when no IR light is present? Only light source is a fluorescent light.
1
vote
3answers
300 views

Is it possible to map temperature values to RGB values in a near-infrared image?

If I would modify a DSLR (the Canon 350D for example) to capture infrared light, would I be able to tell the temperature of an object by reading out RGB values of an image? I assume a calibration ...
12
votes
5answers
1k views

Why don't most cameras use infrared for focusing?

All auto focus assist lights are either red or white. Why do DSLRs not use infrared instead? It seems it would be beneficial to a photographer to not blind their subject before taking a picture. ...
6
votes
3answers
3k views

Does the Canon 60Da offer significant advantage over 60D with infrared filter for astrophotography?

I am looking to buy a new camera to upgrade from my 1000D. I found the 60D to meet most of my needs but came across the 60Da variant when trying to make a decision. The price difference is ...
1
vote
2answers
799 views

How to make Canon 500D as IR camera?

I want to make my Canon 500D as IR camera as I am getting a new camera. Can it be done DIY? or where can i get it done? and how much I should expect to pay ? I live in Durham, England. Or I ...
4
votes
2answers
1k views

Infrared Photography - How to set White Balance?

When I started out photographing in infrared I wasn't setting a specific White Balance (I let the camera set on automatic). Then I started learning more about how people take infrared shots, and that ...
3
votes
1answer
545 views

How does the sensitivity of camera sensor behaves with the infrared filters?

I am puzzled about the behavior of camera sensor to the infrared spectrum. I have heard that the you must remove the internal infrared filter to capture infrared pictures. So, I removed it and used ...
5
votes
4answers
2k views

What should I look for in an infrared filter?

I'm looking to get myself an infrared filter to put in front of my lens. The cheaper ones all have nm counts (like 720nm, 950nm, 1000nm, and the way I understand this, the thicker, the better), but ...
3
votes
2answers
244 views

Restore colors from an infrared frame in Gimp

I have some frames of a security IR camera. The images are black and white. Is there any way to represent these images with colors. I use GIMP in Ubuntu operating system. Thank you!
7
votes
1answer
341 views

What causes the spots in my IR photos?

Below are images I've shot recently while experiminting with IR photography. The first is an IR image with +2 stops of exposure and a custom white balance based on the bright part of the tag on the ...
6
votes
1answer
2k views

How to use IR index on Canon EF 24-105mm F/4 L USM

I know that the little red numbers under the distance scale are Infrared Index. According to the lens's manual, you should use these numbers when you do infrared photography. However I don't ...
2
votes
3answers
2k views

What's the best way to shoot infra red?

I am new to the photography world and own a Canon 600D, I quite like some of the infra-red shots I've looked at. Is there a special lens required or does the camera need to be modified by other means ...
1
vote
3answers
696 views

Would this IR-transparent plastic be useful for blocking unwanted control flash?

Pentax's wireless P-TTL system is optical, and requires a control flash. I'm using the built-in flash on my camera, but one can also use a hotshoe-mounted flash with the right feature set. If you have ...
3
votes
3answers
2k views

Is there a webcam that can focus to infinity, for time-lapse landscapes?

Does anyone here know of a webcam (at least 720p) that has the ability to focus to infinity? At least one webcam I know of (Logitech C910) doesn't allow that. I would like to use it for time lapse ...
4
votes
1answer
617 views

How do I know if my Canon T2i can support Infra Red photography?

I have a canon T2i and wondering if I can take some IR photos.
9
votes
4answers
1k views

Where is the color mosaic filter on a DSLR sensor?

I have been looking at this tutorial from Astostuff on taking off the hot mirror on a D70, but cannot figure out from the page where the color mosaic filter is located. Is it possible to remove the ...
7
votes
3answers
1k views

What is the best choice of filter for infrared photography?

If I choose to remove the hot mirror off the sensor of my D70, should I absolutely drop in an IR filter in it's place? I understand that dropping an IR filter shall put an end to all visible ...
9
votes
3answers
643 views

What are the benefits of infrared conversion?

I just picked up a Hoya R72 infrared filter, and I'm having a lot of fun experimenting with it. I'm in love with the false color style that can be added. So now I'm contemplating converting my DSLR ...
10
votes
2answers
3k views

Are infrared DSLR conversion companies safe? What about DIY infrared conversion?

I'm investigating the possibility of converting a DSLR (Canon T2i) to a infrared-only body. I've seen several websites that offer this service, but man, considering they are tearing your camera apart ...
6
votes
5answers
458 views

What companies offer an IR camera filter?

I'm planning on converting a Nikon D50 to dedicated infrared, replacing the internal IR cut filter with one that will block visible light, and pass infrared. Google has turned up a couple sites, and ...
10
votes
3answers
1k views

What type of effect is caused by different cutoff lengths for IR filters?

I'm looking at getting into IR photography, and am trying to decide what cutoff frequency filter to buy. Has anyone done a comparison of the same scenes using different filters?
19
votes
4answers
692 views

Is it possible to do infrared photography with digital cameras?

I remember taking infrared pictures with a simple filter and black and white film. How can I do something like this with digital cameras? Or is this even possible?