Infrared photography with D3100?

chem-guy

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Hi, I'd like to know if some people in here have a D3100 and take Infrared photos? I used to have a Fujifilm HS20EXR and was able to take IR photos but now, with my D3100, the photos are just horrible. I have a 720 nm filter.

I have some questions:

When you guys do the white balance on green grass or leaves, do you do it with or without your IR filter? I tried with the D3100 to white balance on green with the filter ON but the camera keeps saying "No good".

Do you cover the eyepiece?

When I post processed the photos, the channel swap gave a an All-blue picture.

Thanks for the inputs...
 
chem-guy wrote:

Hi, I'd like to know if some people in here have a D3100 and take Infrared photos? I used to have a Fujifilm HS20EXR and was able to take IR photos but now, with my D3100, the photos are just horrible. I have a 720 nm filter.

I have some questions:

When you guys do the white balance on green grass or leaves, do you do it with or without your IR filter? I tried with the D3100 to white balance on green with the filter ON but the camera keeps saying "No good".

Do you cover the eyepiece?

When I post processed the photos, the channel swap gave a an All-blue picture.

Thanks for the inputs...

Sorry, I have no idea about the D3100 (although, I do know that the IR capabilities of different DSLRs varies enormously).

Instead of taking a reference image you could try setting white balance to flourescent -3. If you are getting a blue colour cast then you are doing something wrong. Possibly you need graphics software that will specifically remove colour casts (Paintshop Pro for example).

Here is one of mine taken with a D70 and Hoya R72 filter:

Village of East Dean, Bel Tout lighthouse and the sea

Village of East Dean, Bel Tout lighthouse and the sea

There is a useful website for IR here:

http://www.dpfwiw.com/ir.htm

David
 
Hi David, great picture. Could you describe what you did for that picture please? White balance, filter, exposure, post-process??

So you say to use fluorescent white balance and that will do??
 
chem-guy wrote:

Hi, I'd like to know if some people in here have a D3100 and take Infrared photos? I used to have a Fujifilm HS20EXR and was able to take IR photos but now, with my D3100, the photos are just horrible. I have a 720 nm filter.

I have some questions:

When you guys do the white balance on green grass or leaves, do you do it with or without your IR filter? I tried with the D3100 to white balance on green with the filter ON but the camera keeps saying "No good".

Do you cover the eyepiece?

When I post processed the photos, the channel swap gave a an All-blue picture.

Thanks for the inputs...
Yes, you need to pre-set white balance with the filter on.


As with newer Nikon SLRs the D3100 probably has quite a strong hot mirror filter making it not so suitable for IR photography. Earlier Nikon DSLRs, like the D70 and D50, have a weak hot mirror filter and they may be used quite successfully with an IR filter.


I was able to pre-set WB with my D70 but never managed it with a D40. I had the same problem as you. You might try some positive EV which helped with me with the D70.

Regards

Paul
 
The thing is that I'm using manual settings. I tried different exposure time to set the white balance and I couldn't manage to set a custom WB.
 
That's neat. Do you know if the d200 would work?
 
BobSC wrote:

That's neat. Do you know if the d200 would work?

Cheers Bob. No, sorry I don't know about the D200 - it's all down to the strength of the 'hot mirror' on the various cameras. I'm sure if you Google for it somebody will have tried and have something to report.

My picture was taken with a D70 which was quite a good camera for this kind of thing. I have yet to try it with my D300 (which I expect to be not as good).



David
 
See my reply in the link....the last post. I made a way for the camera to whitebalance the extra red out.
I have a d5000 and like yours and some other newer models, they cant whitebalance with the ir filter on.


Dont pay any attention to the other posts....they were rambling on about just using post work to fix the problem. My way gives you a custom preset to choose from. Should work with your camera.
 

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