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Blown ou skies and LR cropping
2 questions please;.

1# I blew out the skies while shooting outdoors, I can not change basic exposure settings otherwise it would cause subjects to be incorrectly exposed, does anyone know of a PS tutorial of where I could artificially bring color back into the sky ? .

I currently use a 30D and understand my native cropping sizes are 3:2 is good for 6x4, 6x9, 8x12, 10x15, etc..

2# I ran across a formula somewhere that explain how you could determine the minimal amount of pixels needed to produce a 4*6, 8*12 etc. I need to crop my photos but want to make sure there are enough resolution left to produce an 8*12 at at least 240 ppi without upsamplingLightroom has fixed aspect ratios but not the ones I need..

Thanks..

Comments (11)

Acutshall wrote:.

Lightroom has fixed aspect ratios but not the ones I need..

At the crop ratios there's one that says "Enter Custom" click that and enter 8X12 and then you'll always have that as an option..

A member of the rabble in good standing...

Comment #1

Acutshall wrote:.

2 questions please;.

1# I blew out the skies while shooting outdoors, I can not changebasic exposure settings otherwise it would cause subjects to beincorrectly exposed, does anyone know of a PS tutorial of where Icould artificially bring color back into the sky ? .

If there's any color in the sky, go to develop in LR.Go to the HSL section.Go to Luminance.Clik the small bullseye in the left upper corner of the luminance section..

Place the bullseye on a portion of the sky with blue, left click and hold and then drag down.That should darken the sky..

You really ought to get a copy of Martin Evening "The Adobe Photoshop Lightroom Book"A member of the rabble in good standing...

Comment #2

This is similar to how I have edited a image with blown sky. By selecting the entire sky area - but I have found, once I have the selection, I use the photo filter tool which is under the image> adjustment > phototfilter.Will..

Comment #3

Thanks I will try both suggestions; if there is not enough color anything in PS I can do?Thx..

Comment #4

If you have blown out sky and it tends to white, you have lost the highlights in your image.you can try fixes to get some sky back, which may or may not work..

But it is far easier and simpler not to blow out the sky in the first place. in the field after shooting check your histogram if the histogram line is against or crawling up the right wall before the line touches the bottom: your lights are blown. the fix is reduce the exposure. try -1/2stop exposure compensation shoot recheck histogram adjust exposure comp as needed so that the histo line does hit the right wall..

When you get the pic back to the pc and you have pe5-6 or cs(x) simply hit auto levels and recheck the histogram. I think you will find the sky is not blown and the rest of the scene has generally normal brightness...

Comment #5

I too have always had problems with two different cameras..

Today I shot some scenes with a polarizer on the camera and that seemed to help somewhat. I would rather fix this in the camera that do a post fix in your favorite editor..

Dom-http://www.photofi.com..

Comment #6

If sky is blue(sunny) try to shot keeping sun behind you + use Circular polarizing filter(don't forget to rotate external ring). You will keep blue sky..

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If sky is cloudy, use Neutral Density Graduated Filter or combination of 2 + Circular polarizing filter, it will keep clouds in image..

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Happy shooting!.

Http://www.stan-pustylnik.smugmug.com..

Comment #7

You did not show any samples of your problem so I can't judge how badly clipped your skies are. Here are two samples that may help. Please take notice that the foreground area has not changed, but the skies have been darkened. As for cropping PhotoToolKit is free and has a good, easily used cropping tool, you can dial up the exact pixel dimensions you want..

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window.

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window.

Judy..

Comment #8

Here are a couple of how to's for blue skies that I saved.

Blue Sky how to.

If you don't want to add clouds..

Make a Selective Color adjustment layer...go to WHITE and adjust the top two sliders (and maybe the black slider)...takes seconds without any masking..

Cspringer 20 Apr 2005.

...............................Better Blue Sky with the Gradient Tool.

Http://www.lonestardigital.com/blue_sky.htm.

Bill,Jr'I kind of like the Earth, it's where I keep all my Stuff.'Website; http://www.pbase.com/wboth125 Lake Wylie, SC..

Comment #9

Ppi * inches = pixels.

So 8"x12" at 240ppi is 1,920 x 2,880 pixels.

2# I ran across a formula somewhere that explain how you coulddetermine the minimal amount of pixels needed to produce a 4*6, 8*12etc. I need to crop my photos but want to make sure there are enoughresolution left to produce an 8*12 at at least 240 ppi withoutupsampling..

Comment #10

JudyTee wrote:.

You did not show any samples of your problem so I can't judge howbadly clipped your skies are. Here are two samples that may help.Please take notice that the foreground area has not changed, but theskies have been darkened. As for cropping PhotoToolKit is free andhas a good, easily used cropping tool, you can dial up the exactpixel dimensions you want..

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window.

Image control:Zoom outZoom 100%Zoom inExpand AllOpen in new window.

Judy.

The only problem I have with this shot is that the water does not reflect the sky's color..

25 years as a freelancer,(news,magazine, wedding photography) camera equip. over the years: Practica MLT, Canon A1, Minolta 9xi, 7xi, Dimage Z1,Fuji 5200,Canon S2,Pentax K100D,Olympus 380(see my Z1 shots at http://smg.photobucket.com/albums/v104/Buckl/ the COMMUNITY album was done with the Z1, and most of the photos in the album:Other were w/the Z1)..

Comment #11

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This question was taken from a support group/message board and re-posted here so others can learn from it.

 

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