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Old 21st of August 2009 (Fri)   #1
40Dman
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Default Some Kind of Pink Weed Flower

I don't know what this is.

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Old 22nd of August 2009 (Sat)   #2
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Default Re: Some Kind of Pink Weed Flower

Nice shot, Steve, but I have no idea. In MS?
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Old 22nd of August 2009 (Sat)   #3
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Default Re: Some Kind of Pink Weed Flower

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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Old 22nd of August 2009 (Sat)   #4
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Default Re: Some Kind of Pink Weed Flower

Quote:
Originally Posted by sparker1 View Post
Nice shot, Steve, but I have no idea. In MS?
Thanks Stan, yes it is in MS.


Quote:
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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File Type: jpg IMG_6812_2.JPG (129.8 KB, 150 views)
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Old 22nd of August 2009 (Sat)   #5
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Default Re: Some Kind of Pink Weed Flower

I believe it is in the "spurge " family.
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Old 23rd of August 2009 (Sun)   #6
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Default Re: Some Kind of Pink Weed Flower

Thanks Dan.
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Old 23rd of August 2009 (Sun)   #7
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Default Re: Some Kind of Pink Weed Flower

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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Last edited by chopper5654 : 23rd of August 2009 (Sun) at 12:28.
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Old 23rd of August 2009 (Sun)   #8
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Default Re: Some Kind of Pink Weed Flower

Here is the original one.
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Old 23rd of August 2009 (Sun)   #9
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Default Re: Some Kind of Pink Weed Flower

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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Old 23rd of August 2009 (Sun)   #10
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Default Re: Some Kind of Pink Weed Flower

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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Old 24th of August 2009 (Mon)   #11
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Default Re: Some Kind of Pink Weed Flower

Quote:
Originally Posted by 40Dman View Post
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.
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