Questions tagged [infrared]

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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 ...
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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 ...
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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 ...
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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 ...
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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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0 votes
2 answers
368 views

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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3 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 ...
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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 vote
1 answer
203 views

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 ...
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1 vote
1 answer
415 views

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 ...
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2 votes
2 answers
690 views

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 ...
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1 vote
2 answers
273 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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3 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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0 votes
2 answers
305 views

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 ...
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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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3 votes
4 answers
1k views

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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5 answers
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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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1 answer
351 views

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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2 answers
310 views

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. ...
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2 votes
2 answers
1k views

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 ...
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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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3 votes
5 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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4 votes
5 answers
978 views

Are there types of photography centered around wavelengths other than IR or visible light?

I am familiar with and have shot in Infrared, give or take above the 700nm range with my Nikon D750 and an IR filter over the lens. Does anybody know of other wavelength-specific types of photography? ...
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3 votes
1 answer
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Adapter for Zeiss 80mm planar (with Hassalblad 500)

I'd like to do IR photography as well as long exposure with my Hassie. I just both the Lee filter adapter and the Hoya 72mm IR. However, they do not fit the Zeiss lens. Do I need a different thread?
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1 vote
1 answer
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What differences should be expected between SFX200 and Rollei IR 400?

This question got me thinking. My IR experience is limited to SFX200 so... If I'm using an IR filter, all wavelengths below 720nm will be cut. SFX200 is sensitive to 740nm, while Rollei IR is ...
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8 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 ...
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2 votes
1 answer
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Long exposure and IR with Hasselblad 500cm

I have two basic questions about the Hasselblad 500cm since I could not find an answer elsewhere. Which remote cable release (possibly brand/model number) can hold the shutter down, for very long ...
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3 votes
4 answers
156 views

Would shooting in infrared increase visibility of handprints on a wall?

Would shooting in infrared increase visibility of handprints on a wall? I currently need to shoot some photos of some faint handprints a child made on a wall many years ago. Thanks
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9 votes
4 answers
4k views

Is my camera seeing infrared?

Oddly, when taking a photo of the Nikon D7500 which has an Eye-Start Sensor, my camera captures a red-purplish glow on the sensor while it is completely invisible to my eye. Take a look at the sensor ...
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5 votes
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 ...
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2 votes
4 answers
1k views

Are there cameras that take photos capturing NIR, Visible and UV light?

Basically, is there a commercially available camera (or an image sensor) that can capture all 3 (NIR, Visible and UV) in one photo. There are lots of examples online of people taking pictures in ...
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-1 votes
1 answer
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Take infrared photo with digital camera? [duplicate]

With a film camera it is easy to take infrared photos, just get infrared film. Is there any way to do this with a standard professional digital camera? My understanding is that such cameras have a ...
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1 vote
2 answers
459 views

How do I use an infrared filter to photograph underwriting on a painting?

I have a painting where one can see underwriting under the painting. I purchased a used Olympus E-510 and a 950nm IR filter, but I cannot figure out how to use it. Do I have the correct filter? I ...
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8 votes
1 answer
613 views

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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2 answers
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Can I remove the IR filter from the sensor, and use a IR bypass filter on the outside of the lens instead?

I am buying a JVC camcorder for my dad for Christmas who does ghost hunting. I want to convert this to IR which many people do with this particular model. I know I need to remove the IR filter from ...
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2 votes
3 answers
2k views

What are the advantages of an 830nm infrared filter, in comparison to 720nm?

At some point in the future I'm considering entering the market for a second-hand IR-converted camera, i.e. one that has had its internal IR-cut filter replaced with a long-pass filter that cuts ...
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  • 1,466
3 votes
2 answers
1k views

Can I use a beam splitter to record two images using the same lens?

How's the best way to record two images coming through a single lens. One being a infrared and the other being visible. My plan was to use a beam splitter between the lens and the sensor to reflect ...
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2 answers
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Can a Nikon D3200 shoot infrared video? [closed]

Can a Nikon D3200 camera shoot HD infrared videos?
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1 vote
1 answer
510 views

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-...
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8 votes
1 answer
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Why is the IR filter present when there is already the Bayer filter on an image sensor?

I have been trying to remove the Bayer filter from the CCD image sensor of my camera. Now I see there's an IR filter before the lens, however I don't understand the point of it because isn't the Bayer ...
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0 votes
3 answers
2k views

What ISO setting to use with R72 Filter?

I am experimenting with shooting on infrared film for the first time. I have IR B&W Rollei 400 ISO film, Canon AE-1 camera, 28 mm wide lens, Hoya R72 filter. Would I set my camera to 400 ISO or ...
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1 vote
2 answers
235 views

Sum of pixel values more than incident photons

I'm getting efficiency more than 100% for my camera in ISOs higher than 6400. Under what circumstances does one get more pixel values than the number of incident photons (photon detection efficiency ...
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2 answers
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How can I use a remote shutter release during IR photography with a D3s without leaking into the image?

I'm using a D3s for infrared photography. I'm trying to use a shutter remote to take the images, but the remote's IR-emitting LED/photodiode is emitting enough light to leak into my image on the ...
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3 votes
2 answers
657 views

Bright image with infrared D3s and cap on (image included)

I have a D3s with no infrared filter (it has been removed). When I take dark images in high ISO with body cap on and covered in a wrap (so no light gets in), and no lens mounted, the images are not ...
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  • 157
1 vote
4 answers
547 views

Lens or Filter to Blur Thermal Camera Images

I know this question sounds weird, but I am looking for some kind of lens or filter to blur the images taken by a thermal camera. I don't need to blur a specific part of an image, just a blur ...
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1 vote
3 answers
478 views

Shifting the range of an IR camera?

I have a FLIR One IR camera. Works fantastic, but it does top out at 100ºC. Are there filters available that filter a set amount of IR energy to effectively shift the range of sensitivity? I.e. ...
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2 votes
1 answer
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How to use Infrared Film?

So I picked up a roll of Ilford SFX which is an IR film and I want to experiment with it. I've seen pictures taken with this film before; however, if I'm out in the field how will I know what the ...
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24 votes
2 answers
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Why is infrared light's focus point different from that of visible light?

When reading about infrared photography, it's often mentioned that IR's focus point is slightly different from visible light. Why is the focus point of infrared light point different from the focus ...
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2 votes
2 answers
584 views

Are these images from infrared film?

Recently have been eager to try my hand at infrared film photography. I've only done black and white film and color film so far, and have had experience in altering my negatives in post for ...
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