Questions tagged [infrared]

Infrared is radiation in the electromagnetic spectrum with wavelengths longer than visible light, and thus invisible to the human eye. Infrared photography captures infrared light and presents it to the viewer in false color.

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How to optimally cool an uncooled thermopile array? [migrated]

I have ordered a MLX90640 32x24 uncooled thermopile array, and I want to squeeze as much performance as I can out of this honestly, pretty bad device. One way I am thinking of doing this is through ...
1 vote
3 answers
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Benefit of being able to see the Infrared band in Monochromatic Cameras?

I have read that cinema cameras such as the ARRI monochromatic series have no IR filter, allowing them to "capture the non-visible infrared light that renders white foliage, milky skin, black eye ...
4 votes
2 answers
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Is there any way to remove visible light but only see infrared light source from IR camera?

I have a video projector, projecting a video on a white screen (white paper), behind the screen there is two infrared light facing towards the screen, when there is a hole in the screen the infrared ...
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IR Camera artifact can anyone clarify

I was wondering if anyone here could shed light on the recent “Jellyfish UFO” video recently reported on. This looks like bird poo on the housing to me, yet I am no expert and know very little about ...
3 votes
7 answers
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How do different colours look in Infrared Light?

I want to know how different colors (lets take VIBGYOR) appear through a infrared security camera or any camera and not thermal imagery. The type of infrared I am talking about :
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1 answer
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Why are the colours are not coming out right in my infrared photography?

I am new to IR photography. I recently converted my Nikon D800 to full spectrum (done at a shop professionally) and got a Kolari 550nm IR filter because I want to capture a lot of false colour in my ...
2 votes
3 answers
456 views

Is it ok to use IR filter for photographing sun?

I recently purchased cheap IR filter 720nm from Amazon to see whether I will be able to replicate effect with which your camera can see through thin plastic. I was wondering whether it could be also ...
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Traffic Camera IR image question

Recently me and my daughter were photographed by a Traffic IR camera for not wearing the seat belt.While my image when viewed carefully in digital form the belt could be seen.The black belt had turned ...
9 votes
2 answers
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How many stops should I compensate for with SFX200 and Hoya R72 Filter?

I recently bought both the SFX200 infrared film as well as the Hoya R72 IR filter. I searched online and I'm a bit confused about exposure compensation. With the combination above, how many ...
1 vote
2 answers
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Infrared pics coming too red or with dark leaves (filters are top quality)

[town square] 1 I have a canon xs for which I removed the anti-ir filter. Also, I am using a 24-105 with a heliopan 610nm for taking pics. Under this assembly, I have this problem: foliage comes out ...
7 votes
4 answers
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Infrared photography—why are green leaves not appearing as white?

I'm new to IR photography. I'm trying to get the white colour out of green plants (leafs, grass etc.). Here is my setup: Canon EOS 100D full spectrum - IR filter in front of sensor removed Samyang ...
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1 answer
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How can I place an IR cut filter on an M12 lens?

I have an M12 lens and my camera doesn't have an IR cut filter. It's difficult to find an IR cut lens for my specific sensor size and desired focal length (sensor size 1/2.3, focal 2-4mm). Is there a ...
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How to interpret the colours after infrared conversion? [duplicate]

Regarding infrared photography, I'm quite confused about what wavelengths the colours will represent after the infrared filter was removed from the camera. How do I find out how to interprete the ...
2 votes
1 answer
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Can ImageMagick do channel difference and swap?

In emulating Kodak Infrared Ektachrome (EIR) film (a.k.a. Aerochrome) with images from a full-spectrum-modified digital camera, I want to subtract the blue channel from the red and green channel, then ...
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2 answers
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Can I convert a regular digital camera so the R-G-B channels actually represent different infrared bands?

I have removed the IR cut filter from a Sony digital compact camera so it has become multispectral (in a way). In addition to that I placed a IR pass filter, so it only captures photos in the Near-...
1 vote
1 answer
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Extend PIR range by adding a lens?

I bought this solar powered wifi camera. I stuck it in a tree above my front gate, hoping to automatically trigger to record vehicles and people in front of it. The footage uploads to the web, via my ...
-1 votes
1 answer
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How to convert a photograph to look like a thermal infrared spectrum image?

Without using a thermal imaging camera, how can a photograph's white balance (tint, etc) or other settings be adjusted in order to achieve the look of the Predator vision from the movies. In layman's ...
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3 answers
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Can I use my Samsung A51 smartphone camera to look at the red/near-infrared region?

I have two regions of interest: red (~665nm) and near-infrared / far-red (~720-750nm). (possibly more but I'd like to see what is possible first) The ratio of the absorbance values for red/far red is ...
-1 votes
1 answer
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How come I see infra-red in my photos?

So I noticed I can see infra-red color (which looks blue) in my Canon 77D photos, which made me wonder - how can that be? I mean, if invisible color becomes visible, that means the sensor is ...
2 votes
2 answers
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Can I use on-lens IR filter for a full-spectrum converted camera?

I am deciding on converting my camera to infrared capable camera. Now I really want to have enhanced colour enabled on my DSLR but at the same time full spectrum is very tempting too. But I want to ...
2 votes
2 answers
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What metrics should I be looking at when trying to find an IR camera?

I am looking for an IR camera, irrespective of cost. I know nothing about such cameras and am finding it really difficult in understand what 'good' looks like. What metrics should I be looking at when ...
2 votes
1 answer
446 views

Canon Mark IV and Infrared Photography

I am have taken quite a few shots using an IR760 filter, 30 seconds or longer exposure, both raw and jpeg, strong sunshine, and my images do have the red tint when I view. I have tried every single ...
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Post-process custom WB for full-spectrum photo?

Quite a noobie question. I did a conversion of Fujifilm s1000fd to a full spectrum camera and started to take pictures with a 590nm filter. When I set a custom white balance on the camera, discovered ...
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1 answer
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Can one use the iPhone X's (and newer models) infrared camera for photographic purposes?

Apple's smartphone iPhone X has an infrared camera embedded inside the top of the device: Can this infrared camera be used for photographic purposes, or it is just used for FaceID? (I am also curious ...
4 votes
1 answer
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What specifications does a macro lens need for a Thermal Seek CompactPro?

I'm getting into repairing electronics and would like to be able to look closer at failing components. The Zink Selenide lenses, that are being sold, are insanely overpriced. I can't find the focal ...
2 votes
1 answer
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DIY Visible light blocking filter (IR passing filter)

Which one is a better option (to block more visible light and to block less IR light), floppy disk or developed unexposed photographic film?
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1 answer
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What materials absorb or block infrared wavelengths?

I'm not exactly doing pro photography here; please forgive me. My baby monitor is mounted in a corner. It shines bright IR at night, and the walls are highly reflective, and I can barely see into the ...
22 votes
3 answers
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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?
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3 answers
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What is the best choice of filter to modify a DSLR 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 ...
8 votes
2 answers
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How to know if my Canon T2i can support infrared photography?

I have a Canon T2i, and I'm wondering if I can take some IR photos with it.
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2 answers
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Nikon D3100 converted to Infrared only takes red pictures

Mr father bought a Nikon D3100 that had been converted to take Infrared pictures, however the pictures just look like they have been taken with a normal camera and had the blues and greens filtered ...
16 votes
5 answers
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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. I'...
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289 views

What is a more accurate name for "Full-spectrum" photography?

Photography enthusiasts (and Wikipedia) often call photography that happens outside of the visible spectrum full-spectrum photography. From a scientific standpoint, however, I do not believe that ...
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Why isn't my Canon RC-6 remote control working with my 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 ...
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Speedlite Yongnuo YN685 / AF assist beam / IR light doesnt work anymore on Nikon D7100

yesterday I was shooting as a eventphotographer and suddenly my IR beam of the flash didn't work anymore. (Probably I changed some settings while talking with someone? Idk...) Some quick facts: The ...
11 votes
2 answers
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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
5 answers
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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 ...
11 votes
3 answers
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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?
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How to avoid overexposed and red/blue tinted infrared images with Sigma SD14?

I'm very new to photography and got attracted to the infrared photos I keep seeing online. I decided to try experimenting with something cheap to see if I have any hope in this hobby or not. I got an ...
6 votes
1 answer
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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 ...
8 votes
1 answer
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How was this High-Resolution Short-Wave Infrared image captured?

The Wikipedia article on Infrared contains a comparison image showing how a portrait looks when shot in various wavelengths. While searching for information on SWIR, I've read that normal sensors ...
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4 answers
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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 ...
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4 answers
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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?. ...
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5 answers
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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
1 answer
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What is the difference between IR and ND filters?

What is the difference between an infrared filter and an ND filter? I have a big stopper and I would like to take some images to show the infrared spectrum I have seen images where green foliage shows ...
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4 answers
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Do cameras actively filter out UV light, or only infrared?

I know that a camera has a filter in front of the sensor to limit incoming light to the visible spectrum, to replicate what a human eye can see. But wherever I look on the internet, I always read ...
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What is the point of the infrared focus markers?

I am talking about the red values that comes after the infinity value. Why do they exist and how do you use them properly?
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How does the infrared beam look like on a 600EX RT?

As far as I know, you can see an infrared (IR) beam by pointing a camera at its direction and take a photo or video of it. As I understand it, external flashes like the Canon Speedlite 600EX RT have ...
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Shutterless vs global shutter

Are shutterless and global shutter the same thing? Are they mutually exclusive? Or are they used together in a camera? I have a teledyne IR Calibir 640 camera that is shutterless (based on docs) but ...
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Using UV or IR as a fill light

I am wanting to take some candid photos at an art workshop. I am wanting to add some fill lighting. Unfortunately I cant use anything that will be "too distracting" for the people in the workshop. ...