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FORUMS Photography Talk by Genre Macro Talk 
Thread started 08 Jun 2010 (Tuesday) 00:49
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Yellow & white flowers to bright

 
Thor_50D
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Jun 08, 2010 00:49 |  #1

Hi guys,

I have this problem with my close-up flower shots: if flower color is yellow or white, lots of pictures get blurred in the flower area, as if the yellow flower itself radiates a lot more light back (towards the camera) then the rest of the flower and/or landscape. It looks somehow like I would photograph the boiling core of the sun, without a filter.

Even if I step down exposure to, say -1, the brilliance ratio is still unusually high between the actual flower and the rest. The equipment is Canon EF-S 60 Macro and an EOS 50D.

I thought try using a purple filter to cut some yellow back, but the guy at the store said no, this would only give my photos a purplish hue. He said color filters dont work weel with digital cameras (?).

Sorry for the junky photo, but the engine says max. file size is 150k, and this is the best I could do with my original to shrink it to 150k.


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ceriltheblade
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Jun 08, 2010 05:25 |  #2

i had a similar problem with the color red (example: poppies)
when i asked the question, I was told that the most important issue is light management.
In your example above, is there a way that you could have modulated the light?
and continue to work on the exposure of the camera.
I hope others chime in here, because i am sure that my answer is not 100% satisfactory.


7D/5dIII
50 1.8 II, MP-E65, 85 II, 100 IS
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600 ex-rt, 055xproB/488rc2/Sirui k40x, kenko extens tubes

  
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Beetroot ­ Joe
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Jun 09, 2010 06:47 |  #3

i would like to know more about this too. i recently snapped a field of buttercups and the flowerheads didnt look right




  
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LordV
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Jun 09, 2010 06:55 |  #4

A few ideas - if you are shooting RAW then try using the neutral picture style then use the RAW brightness slider to just underexpose the yellows or reds and then use the curves under the RGB tab to bring up the brightness of the background - this seems to work on most of the yellow/red flower shots I get involved with.
Brian v.


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windpig
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Jun 09, 2010 07:12 |  #5

It's very easy to over expose flowers in bright sun. It is what got me to use ETTR and set up my in camera picture style such that my LCD and RGB histogram depicted as close to the RAW capture as possible. The RGB histogram and LCD are generated from a JPG created in camera based on your picture style (even if you are only shooting RAW). I have my style set to neutral with zero sharpening and -4 contrast, I use auto WB, but use custom in difficult lighting. This will generate a RGB histogram and clipping blinkies that are very close to what the RAW data is. Making sure you don't clip any of the color channels is the reason for this technique. Also, with close ups you should use a scrim to cut down the intensity of direct sun.


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Thor_50D
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Jun 11, 2010 03:23 as a reply to  @ windpig's post |  #6

Thanks guys !

A question for windpig: what is ETTR ?
And a question for all: what if I use ALO and Spot metering ? Maybe spot would decrease overall brightness.
And another: what about the color filter ?


Thor
Canon EOS 50D, EF 50 MkII, EF-S 60 Macro, Sigma 17-70, EF-S 55-250
Nature, micro & Macro

  
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windpig
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Jun 11, 2010 07:27 |  #7

Thor_50D wrote in post #10342282 (external link)
Thanks guys !

A question for windpig: what is ETTR ?
And a question for all: what if I use ALO and Spot metering ? Maybe spot would decrease overall brightness.
And another: what about the color filter ?

ETTR, Expose To The Right.


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I'm accross the canal just south of Ballard, the town Seattle usurped in 1907.

  
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windpig
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Jun 11, 2010 07:43 |  #8

Thor_50D wrote in post #10342282 (external link)
Thanks guys !

A question for windpig: what is ETTR ?
And a question for all: what if I use ALO and Spot metering ? Maybe spot would decrease overall brightness.
And another: what about the color filter ?

Expose To The Right

Myself and others cover it here:
https://photography-on-the.net/forum/showthre​ad.php?t=883701


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ceriltheblade
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Jun 11, 2010 11:39 |  #9

another basic followup question: where does one get a "small" scrim? or is mostly DIY?


7D/5dIII
50 1.8 II, MP-E65, 85 II, 100 IS
8-15 FE, 10-22, 16-35 IS, 24-105, 70-200 f4IS, 100-400 ii, tamron 28-75 2.8
600 ex-rt, 055xproB/488rc2/Sirui k40x, kenko extens tubes

  
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windpig
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Jun 11, 2010 15:36 |  #10

ceriltheblade wrote in post #10343934 (external link)
another basic followup question: where does one get a "small" scrim? or is mostly DIY?

http://www.adorama.com​/Als/ProductPage/LSTGR​DT.html (external link)


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I'm accross the canal just south of Ballard, the town Seattle usurped in 1907.

  
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Yellow & white flowers to bright
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