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FORUMS Photo Sharing & Visual Enjoyment Nature & Landscapes 
Thread started 21 Aug 2009 (Friday) 22:28
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Some Kind of Pink Weed Flower

 
40Dman
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Aug 21, 2009 22:28 |  #1

I don't know what this is.

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sparker1
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Aug 22, 2009 08:03 |  #2

Nice shot, Steve, but I have no idea. In MS?


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chopper5654
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Aug 22, 2009 10:14 |  #3

is your red channel clipped a bit? when mine look like that, they seem to be...just a touch on the end, and it ruins my ability to pp the way i like. (i like saturated color...go figure)

just curious. i like the shot, personally.


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Straightening...lol. Every time I straighten the horizon, I hang the picture crooked.

  
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40Dman
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Aug 22, 2009 20:17 |  #4

sparker1 wrote in post #8503533 (external link)
Nice shot, Steve, but I have no idea. In MS?

Thanks Stan, yes it is in MS.

is your red channel clipped a bit? when mine look like that, they seem to be...just a touch on the end, and it ruins my ability to pp the way i like. (i like saturated color...go figure)

just curious. i like the shot, personally.

Thanks Chopper. I don't really know what clipped means.

Here is the original. This stuff grows real low on the ground.


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dan_bgblue
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Aug 22, 2009 21:33 as a reply to  @ 40Dman's post |  #5

I believe it is in the "spurge " family.


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40Dman
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Aug 23, 2009 12:21 |  #6

Thanks Dan.


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chopper5654
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Aug 23, 2009 12:25 |  #7

if someone could post a "clipped" histogram it would be great. i havent figured that much out yet for some reason.

"clipped" generally means that the highlights are overexposed in such a way that all detail, in that area, is lost beyond recovery in pp. the most common that i see is on a sunny day with a hazy, milky sky. its almost impossible to get the correct exposure on the subjects without "blowing" out the sky. in this case, "blowing" and "clipping" are synonymous because the blown highlights, on a histogram, will be clipped/chopped off on the right side of the graph. i hope that makes sense. a picture of an overexposed histogram would really drive the description home.

however, with digital shooting, we also have RGB histograms. and, it is not uncommon for only one of the color channels to be "clipped." in your case, it looks like the reds would be clipped off on the right side of the "R" channel. that doesnt mean the whole flower is blown out.....just part of it.

again, the only reason i mentioned it to you was because i had absolute FITS with that problem earlier this spring with my azaleas. and, again this summer with my impatiens and purple coneflowers. i have to underexpose the rest to bring the "curve" of the histogram graph back into range. i was amazed at how easily red/pink/purple flowers blew out...even without sun shining directly on them.

god, i wish i could post the histograms. however, if you search (here or otherwise) for exposure articles and/or reading histogram articles, you will quickly find something that describes what i am talking about.

and, if i hadnt purged most of my shots of blown flowers, i could post them to show you what i was talking about, too. but, as for now, i am just the guy that is picking up on when i see things that happen to me, but cant articulate the problem very well just yet. all in the growth curve...lol.

hope that explains things a little bit more. sorry i cant do the job i know can be done with the illustrating to really drive it home.


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Straightening...lol. Every time I straighten the horizon, I hang the picture crooked.

  
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40Dman
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Aug 23, 2009 17:26 as a reply to  @ chopper5654's post |  #8

Here is the original one.


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chopper5654
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Aug 23, 2009 17:49 |  #9

i stand corrected, then. maybe the first just had a bunch of saturation added?

however, you can see the red run right off the edge to the right? from what little i know, the green and blue dying off early suggest they are fine. but, the red running right to the end makes the red channel really close to blowing out. its when you find a sharp spike up at the end or the red (in this case) running off the right side without coming back down to the lower boundary that you may have clipped the highlights. looks like you got them here, though.

so, i am a moron....lol.


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Straightening...lol. Every time I straighten the horizon, I hang the picture crooked.

  
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40Dman
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Aug 23, 2009 20:14 |  #10

Thanks Chopper for the explanation. I understand what you are talking about now. I don't think you are a moron. I need to learn more about the histogram.


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chopper5654
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Aug 24, 2009 07:34 |  #11

40Dman wrote in post #8511126 (external link)
Thanks Chopper for the explanation. I understand what you are talking about now. I don't think you are a moron. I need to learn more about the histogram.

no problem. and, the "moron" comment was more tongue-in-cheek....lol. if we cant make fun of ourselves, who can we make fun of?

i guess the point is, however, its just something to be extra cautious of. pinks/reds blow super easily when we are shooting flowers. at least, that's what i have found.


http://throughmyeyes-choppography.blogspot.​com/ (external link)
http://www.flickr.com/​photos/chipnjo_99/ (external link)
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Straightening...lol. Every time I straighten the horizon, I hang the picture crooked.

  
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Some Kind of Pink Weed Flower
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