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Got a thin skin? Then look elsewhere. Post a link to an image that you've made, and invite others to offer their critiques. Honesty is encouraged, but please be positive in your constructive criticism. Flaming and just plain nastiness will not be tolerated. Please note that this is not an area for you to showcase your images, nor is this a place for you to show-off where you have been. This is an area for you to post images so that you may share with us a technique that you have mastered, or are trying to master. Typically, no more than about four images should be posted in any one post or thread, and the maximum size of any side of any image should not exceed 950 px.
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 by DaveB on Tue Aug 11, 2009 12:53 am
 EOS 5DmkII, Sigma 180mm macro f/16, ISO 100 This was in the forest on the side of Mount Donna Buang earlier this year. These three Mycena fruiting bodies were tiny. The smallest (middle) one was only a mm or two high, and I only noticed it after I'd set up the initial shot. Three 25-second frames (with just the focus adjusted between each) were blended in Photoshop CS4. Load as layers, auto-align, then auto-blend (which essentially uses the most "in-focus" areas from each image), then straighten/crop, and voila! Without the stacking the depth of field was very limited. Even here we still have limited DOF, but it's much greater than without the stacking.
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DaveB
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by big pix on Tue Aug 11, 2009 8:11 am
....... nice work Dave and thanks for the tip on stacking in PS....you now have me going off to play with the shell images in Photoshop  Cheers ....bp.... Difference between a good street photographer and a great street photographer.... Removing objects that do not belong... happy for the comments, but .....Please DO NOT edit my image..... http://bigpix.smugmug.com Forever changing
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by Greg B on Tue Aug 11, 2009 11:03 am
Great shot Dave, and a very handy tip on focus stacking. I have never tried it, but
seeing what you have achieved here, I am looking forward to giving it a go.
Greg - - - - D200 etc
Talent hits a target no one else can hit; Genius hits a target no one else can see.
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by surenj on Tue Aug 11, 2009 5:34 pm
Dave, Could you post some of the original images so we can get an idea of the original DOF?
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by Matt. K on Tue Aug 11, 2009 6:01 pm
That's a nice technique Dave! It makes possible the impossible! You certainly nailed it.
Regards
Matt. K
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by gstark on Tue Aug 11, 2009 6:09 pm
This image puzzles me. It has an almost 3-D effect, and that, for some reason, I find bothersome.
I'm just trying to understand why this is so: it looks great, but ......
g.
Gary Stark
Nikon, Canon, Bronica .... stuff
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by zafra52 on Tue Aug 11, 2009 6:20 pm
Thank you for the tip. It is very handy to know.
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by colin_12 on Tue Aug 11, 2009 9:06 pm
Thanks for the detail Dave. Always handy to know how others do their work.
Regards Colin
Cameras, lenses and a lust for life
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by DaveB on Wed Aug 12, 2009 12:00 am
It was only a bracket of 3 shots, and I only needed enough DOF to cover the branch. Here are crops from the RAW frames at each extreme:   There is actually significant difference in the sharpness of the centre of the frame (the closest area to the camera) in these shots. One other difference I noticed between the frames was a tiny leech moving along the branch...
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by surenj on Wed Aug 12, 2009 12:56 am
Thanks DaveB... I am still trying to understand this technique... very unusual subject to try this on!
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