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Thread: Tawny Frogmouth iso 40k

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    Lifetime Member Colin Driscoll's Avatar
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    Default Tawny Frogmouth iso 40k

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    One from my high iso experiments last year.
    The bird had just flown from ts daytime roost to start hunting.
    Lit by by Hunga Tonga-Hunga Ha’apai volcano sunset afterglow.
    Canon EOS R5 EF 600 f4 III 1.4x III 840 mm tripod
    1/60 f5.6 iso 40,000
    ACR NR PS2023 Curves slight crop near FF

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    Wildlife Moderator Steve Kaluski's Avatar
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    Colin, in ACR what is the colour profile you selected, Adobe color, Adobe standard, Adobe Landscape etc etc…????

    Also, how big a crop is this or is it FF?
    Last edited by Steve Kaluski; 08-23-2023 at 02:14 AM.
    Post Production: It’s ALL about what you do with the tools and not, which brand of tool you use.

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    Lifetime Member Colin Driscoll's Avatar
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    Steve, I normally use Adobe Standard.
    Near full frame. The original was quite red from the evening sky and I reduced it a little.

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    Wildlife Moderator Steve Kaluski's Avatar
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    OK Colin, quite a good capture at 40k ISO, glad to see you are using a tripod, as I doubt HH would have resulted in as good an image. My gut feeling was that it was under exposed and maxing out the Histogram would have delivered more information/data to play with. I love that eye, really engaging, but within the PP you have lost a truck load of detail, plus if I use the two spots of white in the plumage on the LHS you get a more 'balanced' range to then work with, then hone the colour. If you haven't a mid grey point the white is a good starting point, however I would if you have the time just have another look at the file because you have more.

    If you are using ACR and the latest addition, then you should be following the process using Enhance which is producing greater results that normal Topaz, but some files respond better to Topaz AI, its just personal preference. Did you use an adjustment brush in parts, as I'm a bit unclear where some blurred areas have come from.

    Just to illustrate my points, cropped slightly to remove the crappy BKG and get that eye more in the centre, just an option, but extracting detail I think is a must.

    TFS
    Steve
    Post Production: It’s ALL about what you do with the tools and not, which brand of tool you use.

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    First thing I noticed was the magenta color cast and then the detail on the head excellent capture. Then I scrolled down and read Steve's comments and his repost definitely fixes that color cast. One great capture at that shutter speed and ISO is something. TFS

  6. #6
    Lifetime Member Colin Driscoll's Avatar
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    Thanks guys, Color is such a subjective matter. Steve, your re-post does better reflect the colors of the species when seen in white light.
    However this was in a strong red after-glow which has been lost in the re-post. Look at the eye reflection, that blue sky and sunset have been lost.
    As for NR I did use ACR Enhance at 50% (any stronger started to lose feather detail) and found I needed to do a final run of Neat Image which did not lose detail.
    You are right about the original having been slightly underexposed but I was running out of options, and learning.
    Northern Hemisphere people would not have experienced the effect of the volcano dust on the evening sky, at its best it was a remarkable red glow in a cloudless sky.

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    Colin to my eye the first one has all the ingredients of the circumstances you described, and Steve's post of it has to me just dulled it off. He has fixed some of the detail but removed the circumstances. Sometimes the red evenings in the Southern hemisphere is so much so that it ruins the frame in a way because no-one believes it.I think your volcano light is both excellent and essential and Steve has removed it. And its different from the same ol same ol we are sometimes getting on this site which is a blessing.Well done.

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    Wildlife Moderator Steve Kaluski's Avatar
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    Guys, if you read my note, I did say that once you achieved a better colour balance ie WB, you can then decide in which direction you need to take it, as I have no idea having not seen this subject. The main issue was the overall loss of detail within the posting, even with256 colour file, and so with the Raw Colin can go back if he has time and reassess it, knowing there is a lot more to extract and bring it up to where it needs to be. Apart from calibration Colin, the settings are for photography ie 6500 Kelvin, gamma etc? I think your screen is perhaps set too low and needs to go to 110 or 120 candelas, what does the manufacture recommend?


    Colin, Enhance wipes the floor now with most NR software, providing it has been executed correctly, ISO40 warrants to go to 100%, but it is a juggling act, between what detail you have and any ‘noise’ primarily in that BKG, but I doubt the Dynam.
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    BPN Member Andreas Liedmann's Avatar
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    Hi Colin ... always good to experiment , a good way to learn the tools and one own limits .
    For me you have reached the limits .... on both ends .

    Not sure what you have done in post ? At least the image as posted shows a lot of artifacts and loads of color noise in the BG . The eye does look quite soft , IMHO .
    The DOF is quite short .... too short for my liking , but this might be just me . And the super slow SS in combo with the lens combo is for sure not an easy task !!!
    I would agree with Steve about the color thing , first neutralize the colors and then color grading to my liking .

    But why not experimenting , does cost nothing apart from the invested time

    TFS Andreas

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    Publisher Arthur Morris's Avatar
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    Steve's repost is much better in terms of color. And the image is sharp. My biggest wish is for more room below the bill.

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