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  1. Galleries
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  4. » Campylopterus hemileucurus (Colibri), 008 996

 
Campylopterus hemileucurus (Colibri), 008 996...

Fauna: Costa Rica

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Campylopterus hemileucurus (Colibri), 008 996 sent on July 25, 2012 (15:03) by Juza. 33 comments, 11398 views.

con Canon EF 1.4x II, 1/1600 f/4.0, ISO 3200, hand held. Specie: Campylopterus hemileucurus

Anche se negli exif è indicato ISO 3200, questa foto in realtà è a 6400 ISO equivalenti (3200 @ -1.0). E' una vecchia foto che inizialmente avevo scartato per il troppo rumore, e che ho recuperato ora grazie alle migliorate tecniche di riduzione rumore: http://www.juzaphoto.com/article.php?l=it&article=23

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avataradmin
sent on July 25, 2012 (15:10) | This comment has been automatically translated (show/hide original)

Although in the exif is indicated ISO 3200, this photo is actually equivalent to ISO 6400 (3200@-1.0). It 's an old photo that I had initially rejected for too much noise, and I've recovered now thanks to improved techniques of Noise Reduction !

Update: this is a cutout 100%, before and after ( click to enlarge! ):





The detail is not too fancy but that is mostly due to the fact that I shot with the TC 1.4xa wide open and that the subject was extremely quick motion. But all in all to be a 100% crop a1 from a file of 21 megapixels and ISO 6400I would say that is not bad!

avatarjunior
sent on July 25, 2012 (15:13) | This comment has been automatically translated (show/hide original)

I must say, a master in the shot and post production. Congratulations and thanks for the tips!

avatarsenior
sent on July 25, 2012 (15:33) | This comment has been automatically translated (show/hide original)

Excessive noise is known enough on the subject, but it's perfectly recovered in the background! Are blacks who do not convince me the most but I can understand the conditions of the original RAW if you decided to discard it. In conclusion, in my opinion a nice job of post production, especially the colors!

Federico

ps-But the colors purple colobrì are really so! Cabbage that beautiful ... wow!

avataradmin
sent on July 25, 2012 (15:38) | This comment has been automatically translated (show/hide original)

Thanks for the comments!

On the subject necessarily had to stay a bit lighter, otherwise rovinavo also the detail. I closed enough because the shadows to 6400 equiv. with the 1DsIII is a mess ;-)

avatarsupporter
sent on July 25, 2012 (16:21) | This comment has been automatically translated (show/hide original)

Thanks for the suggestions and - needless to say - congratulations on your shots (and the site)
good light
gianluca

avatarsenior
sent on July 25, 2012 (16:27) | This comment has been automatically translated (show/hide original)

Well a little bit worse than the other, but the recovery is there and shooting probably would not even have to press a bit of noise, but for some time I was experiencing a similar noise reduction technique, but this actually works pretty well!
bravo!

avatarsenior
sent on July 25, 2012 (16:58) | This comment has been automatically translated (show/hide original)

Using this system for landscapes with a lot of sky, only to remove the noise from the sky and increase the sharpening only where it is needed. It 'a system that works very well, however, as described in the article, there is a lot of patience, especially if the edges of the area to be excluded are well-defined and must follow precisely with a small brush: a photo of Mt St Michel, with spiers, turrets and other minute details, it took me almost an hour just to trace the edges of the selection!

a greeting

Clear

avatarsenior
sent on July 25, 2012 (17:11) | This comment has been automatically translated (show/hide original)

Juza, I think that the best performance compared to Photoshop Camera Raw noise reduction is due to the fact that the first work on files that have not demosaicizzato, so the demosaicing is made between channels cleaner, the same goes for the correction of ' aberration, if you think about it.
You could try with Lightroom, making him the first reducing the noise by one click from the same raw and then first converted to jpg.
I'm honestly not sure if there would be no difference: D
now I try

avatarsenior
sent on July 25, 2012 (18:04) | This comment has been automatically translated (show/hide original)

I did a test on a shot made my girlfriend quite noisy and underexposed,
on Lightroom 3, I reset all settings (black = 0, contrast, lens correction, Profile faithful, noise reduction, etc.)
to the original file and I saved as 16-bit tif, then tif just saved on the original and I applied the same noise reduction (brightness 50, detail 80, color 25, detail 50) and the results are in fact different starting from the raw file is clean.
I applied a curve to both the details taken from the two processing to highlight the differences.

www.juzaphoto.com/shared_files/uploads/198861.jpg


avatarsenior
sent on July 25, 2012 (18:33) | This comment has been automatically translated (show/hide original)

Maybe what I wrote above is not clear, but both the tif file that I continued to work them on raw Lighroom 3

avatarjunior
sent on July 25, 2012 (18:51) | This comment has been automatically translated (show/hide original)

Juza the technique you described is very interesting even though I personally think that the shot in question is not usable ... yes it is true that the background is free of noise but this, in addition to being subject look "glued" it does not do recover detail where it is needed ... and in my opinion is missing ...
I tend to always leave a little bit of noise in my opinion certainly does not compromise the beauty of a shot ... if you really are "forced" to make it disappear from the background, try to get the transition effect made, or rather, gradient between the affected area to reduce the noise and not just to avoid that effect of "incolatura" I did not really like ;-)

user185
avatar
sent on July 25, 2012 (20:03) | This comment has been automatically translated (show/hide original)

I see an exaggerated noise on the left wing and tail .. not to mention the detail quite mushy, too bad for not have had at that time a beautiful 1dx, although always remain of the view that without light shooting nn:-D

I think without reduction can be printed ...

avatarjunior
sent on July 26, 2012 (8:47) | This comment has been automatically translated (show/hide original)

Guys we're talking about a picture that was dismissed at the time and now thanks to new techniques recovered. I agree with you that if the photo comes with too much noise will never be like without a photo, but if we think the recovery (photo from the first throw, photos acceptable now) does not seem so bad. I will not certainly a poster with this picture, but you put it in a gallery, before it was filed and no one saw it.
We assume that the picture was not even used in passport.
However, for me Juza is a great, not only because I recognize in him qualities of a great photographer and very good in PP but because it is one of the few who shares with ALL his photographic techniques (see a photo, a story), his shots best and worst, and his "secrets" in PP.
One thing I would like you to clarify: I knowa huge difference between the photos taken with 1DS MK III and 7D, diversity in the fact that the FF had a higher emotional involvement in the photo is landscape and animals. Perhaps the DS allowed something more in PP or churning of the files more manageable. However good and compliments.

avataradmin
sent on July 26, 2012 (9:01) | This comment has been automatically translated (show/hide original)

But if we think of the recovery (by throwing the first photo, photos acceptable now) does not seem so bad.


exactly, that's what I'm trying to say :-) I have not posted the picture saying "look at that masterpiece," but to show that with the best techniques of RR can be used to make a picture that years ago I trashed the excessive noise.

You could try with Lightroom


I think it's the same, ACR and LR algorithms are similar, as I think it also emerged from your test.

avatarsenior
sent on July 26, 2012 (9:39) | This comment has been automatically translated (show/hide original)

Hello Emanuele, you can see the original shot, without noise reduction?

avatarsenior
sent on July 26, 2012 (9:54) | This comment has been automatically translated (show/hide original)

An excellent recovery, the loss of detail will certainly was, but it is limited and the noise was acceptable it seems to me, I think that printing is further decreased. The snap freeze a beautiful moment of a person by the fantastic colors, what to say, it was worth groped and the result is very good. I think your example this should take the teaching that we should not surrender before the first difficulty and, most importantly, before you throw a shot is better to think of it, if the time and the subject are appreciated.

user185
avatar
sent on July 26, 2012 (10:17) | This comment has been automatically translated (show/hide original)

@ Giacomo ... No noise reduction, this photo is stampabilissima, the noise in press flattens but remains Anyway detail ...

The ds is obviously more three-dimensional and involves (cons you rightly said) more of the scene .. The photos have less noise ... Estimated that the ds dominates as the 7d file ... Not to mention the processing of much more compless 7d, which lead to have a file less natural.

avatarjunior
sent on July 26, 2012 (10:32) | This comment has been automatically translated (show/hide original)

It would be interesting to see a crop before and after ;-)

avatarjunior
sent on July 26, 2012 (10:48) | This comment has been automatically translated (show/hide original)

Hello Mr.roby thank you for clarification. I guess the Democrats, although more dated, the 7D is better, but I do not understand why leave a body so good for a 7D. Obviously Juza has his reasons.
Of course, no criticism about but just curious.
Congratulations to all for your photos one day I hope to get there too. Good light

avataradmin
sent on July 26, 2012 (11:27) | This comment has been automatically translated (show/hide original)

As soon as I put a second crop :-)

For the rest, the 1DsIII has a stop less noise compared to 7D and slightly more detail, but for the detail really speak of a minimum difference.

By having used both for years I can say without doubt that the rest :-) bales are three-dimensional, color, dynamic range, the difference between the two is zero, and I'm sure no one could distinguish a photo from a 1Ds3 7D on the web if not I put the caption.


RCE Foto

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