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I collected my new D200 Infra Red from Eric   -   Page   5
And made some test exposures - discussion  Rate Topic 
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Posted: Sat Aug 16th, 2014 02:35
 
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jk



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Eric wrote:
Robert wrote:
Eric, it may have been through Bibble 4 which I seem to remember does go below 2000, although I don't think it's calibrated as such... in the same way as ACR is.

The whole process of WB calibration against green is really only relevant if you are shooting jpeg or need some help visualising the image on the LCD.

If you shoot on auto wb the image is invariable horribly red. But using an ACR or Bibble preset of c. 2000/-75 brings the image back closer to 'normaility'. I suspect 1500degK would be better, if it is attainable.


I hadnt realised this until one of your earlier posts. :-)

I also found an article about using the DNG Profile Editor and followed it but it was like everything DNG a heap of DuNG! Adobe have really completely mis-sold DNG to the general public. Fortunately I never bought into their idea. However there are people out there who now shoot in RAW import into Lightroom, convert the RAW into DNG and dump the RAW file. If there is a more stupid workflow then it can only be to delete the DNG as well once you have the jpg.



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Posted: Sat Aug 16th, 2014 03:09
 
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Robert



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I have had one A2 print made of the 'Oakdale' image (the boat), after a quick examination I am very pleased with the result, need to get it mounted and framed before I can really assess the image properly.

As for DNG and deleting the NEF, I can only liken that to making prints then burning the negatives. Fine if you only need the prints but madness if you ever want or need to revisit the processing.

I lost all my negatives from my early photography which I had carefully stored, I still have some prints but only poor small ones, if I still had the negatives I would now be in a position to re-photograph them and bring them into the digital age.

You can never know what new technology is around the corner, nor what will happen with proprietary formats. Who knows, Corel, Google or Facebook may buy Photoshop next, then where would we be??? Stuffed. OK that may never happen but it could, or something equally unthinkable. At least with the original NEF format you can always go back to square one.


After loading the image files into Lightroom I fairly ruthlessly 'X' any image which is oof, has issues or is repetitive, then I delete them from the drive. The cost of large hard drives is very low nowadays, there is no need to delete good image files simply to save space.



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Posted: Sun Aug 17th, 2014 04:55
 
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Eric



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Had a quick look back and I think the cleanest image from the D200 files is at 1666K / -75Tint



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Posted: Sun Aug 17th, 2014 06:44
 
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jk



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This discussion has been very insightful and helpful to me.

I have managed to identify that in fact I need to concentrate more on the pseudo-WB in the post processing stage and then the Tint and then the Channel Swapping.
Once all those are correct for the image then you can really mess with the HSL to get whatever IR effects.



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Posted: Wed Sep 17th, 2014 02:46
 
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Robert



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Bump!



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Posted: Wed Sep 17th, 2014 04:09
 
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jk



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Well I am now out of NDA so I can say that i have been testing the new Phase One Capture One Pro version 8 (COP8) software.

It processes IR RAW very nicely and I am very happy with the results I am getting. The process in COP8 is much easier than using Photoshop ACR and actions to swap channels etc.



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Posted: Wed Sep 17th, 2014 08:35
 
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Robert



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Thanks for posting JK, now I am better used to the channel mixer in Ps I like the it because I use it to adjust colours on differing layers using the channel mixer rather than hue-saturation. It seems to go deeper and get more detail into the unsaturated highlights and the lights, in comparison with the hue-saturation tool.

That was how I applied the colours to the Apples and the sky in the Oakdale image.

I will download the software and try it, but not just yet, I have enough on my plate right now.

http://www.phaseone.com/en/Imaging-Software/Capture-One.aspx

I still miss Bibble, I felt it allowed more subtle control of the whites than Ps.



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Posted: Thu Oct 9th, 2014 16:35
 
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Robert



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When I called on my buddy yesterday to tell him I didn't want the D3 right now, he offered me a tempter!

He went into the loft and produced a box of 'older' lenses mainly film lenses. Without itemising them all, I picked out two which particularly fancied, a Nikkor 28mm f2 and a Nikkor 85mm f2.

The 28mm f2 has a close focus of 250mm which is nice, with CRC (close focus correction). It seems like a very nice lens, according to Bj¸rn it may be a very good IR lens. I need to try it on the D200 IR.

Not so sure about the 85mm f2, looking at the test images it seems to have a colour cast. Thinking back I seem to remeber the w/b being adjusted at that point, but it wasn't reset after that so remained for the 28-70mm test images which seem OK...

I also tried a 'broken' Nikkor zoom 28-70 AFS, which cosmetically could be new but only focuses by hand.

This is a heavily cropped test image taken from about 18inches in very poor lighting, one central 'economy' ceiling light in late afternoon.

D3, Nikkor 28mm f2.0 @ f2 1/100Sec ISO1000

Attachment: 28mm @ f2.8.jpg (Downloaded 16 times)



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Posted: Thu Oct 9th, 2014 16:38
 
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Robert



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This image, also heavily cropped was taken with the Nikkor 85 f2. I feel it seems to have a cast. Unfortunately they were all taken in JPEG so there is reduced scope for adjustments.

These images are all 'As shot', straight from the card into Lightroom, then a selective screenshot.

D3, Nikkor 85mm f2.0 @ f4.0 1/50Sec ISO1000

Attachment: 85mm @ f4.jpg (Downloaded 14 times)



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Posted: Thu Oct 9th, 2014 16:46
 
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Robert



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D3, Nikkor 28-70 mm f2.8 @ 70mm, f3.2 1/40 Sec ISO1000

This seems a nicely balanced colour probably very close to reality, same w/b settings as the above image.

Attachment: 28-70mm @ 70mm,f3.2.jpg (Downloaded 12 times)



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