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Thread started 05 Apr 2013 (Friday) 21:26
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RebelXT IR conversion

 
KhanhD
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Apr 05, 2013 21:26 |  #1

I have a RebelXT thats in good condition, but I dont use it since I now own 3 5Diiis. I was toying with the idea of getting an IR conversion done to it.

Idont think Im up for doing this DIY. Who are the best to send it to?


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CyberDyneSystems
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Apr 05, 2013 21:30 |  #2

The ones I am familiar with are Lifepixel and MaxMax.
Both have been around doing this since at least the 20D era maybe going back even further.
Lifepixels prices seem a lot better these days, and there website is easier to navigate.

I've got a converted D60 (not 60D, much much older 6MP camera older than 10D) that was done by a guy that used to do them himself, but he no longer does.


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Apr 06, 2013 02:54 |  #3

have you considered getting one of the 5D3's converted? liveview & lens microfocus adjust would be great in an IR cam...


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KhanhD
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Apr 06, 2013 03:07 |  #4

CyberDyneSystems wrote in post #15795785 (external link)
The ones I am familiar with are Lifepixel and MaxMax.
Both have been around doing this since at least the 20D era maybe going back even further.
Lifepixels prices seem a lot better these days, and there website is easier to navigate.

I've got a converted D60 (not 60D, much much older 6MP camera older than 10D) that was done by a guy that used to do them himself, but he no longer does.

I came across Lifepixel in my research, just wasnt sure of their credibility.

joeseph wrote in post #15796386 (external link)
have you considered getting one of the 5D3's converted? liveview & lens microfocus adjust would be great in an IR cam...

Will never happen. Only reason Im considering doing an IR conversion is the XT is currently a paperweight.


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John ­ from ­ PA
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Apr 06, 2013 09:48 |  #5

http://www.kolarivisio​n.com/index.html (external link)

This site is worth exploring. You can see the effect of various filter wavelengths on images. The company can also do your mod or provide a mod sensor if you have DIY inclinations.

$225 for the XT and if you send it with a lens they adjust the focus at N/C.




  
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Scatterbrained
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Apr 06, 2013 09:52 |  #6

joeseph wrote in post #15796386 (external link)
have you considered getting one of the 5D3's converted? liveview & lens microfocus adjust would be great in an IR cam...

Lens microadjust is useless since you can't use the regular AF system. Liveview on the other hand is essential. :cool:

If the XT doesn't have liveview, then it would be best to have the camera calibrated to a specific lens, or hope that the IR markings on the lenses are accurate.

I used LifePixel for my 550D and have been happy with it. Their price was reasonable and their turn around was relatively quick.


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Billginthekeys
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Apr 06, 2013 09:54 |  #7

KhanhD wrote in post #15796403 (external link)
I came across Lifepixel in my research, just wasnt sure of their credibility.

Will never happen. Only reason Im considering doing an IR conversion is the XT is currently a paperweight.

I have a Rebel XT converted to standard IR by Lifepixel. I bought it already converted, however it is working fine. I would second Lifepixel.


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Rick_G
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Apr 06, 2013 14:40 as a reply to  @ Billginthekeys's post |  #8

I had Lifepixel convert an XT to IR about 4 years ago. It was a good choice for conversion since the XT was just sitting around not getting used otherwise.

Rick




  
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archer1960
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Apr 06, 2013 18:43 |  #9

An IR conversion also makes it a much better astrophotography camera, since the IR filter also blocks a significant portion of the deep reds (Hydrogen-alpha, mostly) that many nebulae emit.


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gibbit1
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Apr 07, 2013 02:49 |  #10

I used Kolarivision and they did an excellent job with my XTi. Quick turn-around time, too. Since they don't charge for return shipping, they come out much cheaper than Lifepixel.


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joeseph
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Apr 07, 2013 03:02 |  #11

Scatterbrained wrote in post #15796936 (external link)
Lens microadjust is useless since you can't use the regular AF system.

you can't? :confused:


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Mike ­ K
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Apr 07, 2013 15:00 |  #12

Re:IR conversion advice

joeseph wrote in post #15799266 (external link)
Lens microadjust is useless since you can't use the regular AF system.
you can't? :confused:

When sending in a body for IR conversion, say to Lifepixel, you can also send in a lens for AF calibration for that lens/body combination. Remember that IR wavelengths will in general, focus at a slightly different position than visible wavelengths. The magnitude of this effect varies quite a lot based upon lens design and zoom position. Older lenses may have red marks on their distance scales to indicate the magnitude of this effect at infinity. For most lenses, Microadjust is far too small an adjustment to account for this shift, which is distance dependent. In any case the best approach is with magnified live View, Manual focus. Then lens calibration is a non issue. Also I have found Live View to be a big help with IR composition, as one can see the "color tones" picked up by your sensor. A good LV display is a big help for IR.

Another feature I have found important is an RGB Live View display. In IR the red channel gets much more signal than the green or blue, and if you only have a luminance display you will constantly clip the red channel and will be blind as to how close you are to clipping the red channel by changing the exposure.
Mike K


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RebelXT IR conversion
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