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passion flower
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passion flower

by John Clulow

Gallery: Macro & Close-upPosted December 17, 201299 views11 comments
Chicago Botanic Garden, mid-July. An impression made using CS5 Automate>Photomerge from a focus stack of 19 images.
Pentax K-5, Tamron 90mm macro at f/5, ISO 100, 1/60s with manual delay remote release.

I wanted to take a close-up that would bring the parts of the flower in the z direction into acceptably sharp focus.

Comments

11 comments
Comment posted by Philip Hodgkins on December 17, 2012 at 7:42 PM
A good in depth study of a passion flower. There are collective blurs at the petal ends where they meet the frame that are stacking artifacts. I believe I would either crop or clone them out from whichever image(s) are sharp at those spots.
Registered on July 24, 2006, 2741 Posts, 12349 Comments
Comment posted by John Clulow on December 17, 2012 at 8:53 PM
Thanks so much for the critique, Phil. I did this when I was first learning about how to do stacking, but in looking through the archives, I find that I still have all the raw files. So I ran the following just now with zerene. Think I got rid of the stacking artifacts with the retouching tools. Let me know what you think. Wish I could post another large version, but I think you are limited to 720 in repost. (I also ran the 19 images through a batch ACR set of adjustments before making the input TIF files for Zerene. That's why some of the other aspects have changed a bit.)

It's a big help, Phil, to have access to help from folks like you, and I just want you to know that I appreciate it very much!
Registered on November 1, 2012, 155 Posts, 1079 Comments
Comment posted by Eirini Pajak on December 18, 2012 at 6:36 AM
I really like your second post! I was about to say the same thing that Phil pointed out...it looks like a big improvement (although I wish I could see it a bit larger!).
Registered on December 13, 2011, 216 Posts, 1671 Comments
Comment posted by scott lanz on December 18, 2012 at 12:29 PM
John, this is nice work. I like the top down capture of the symmetrical design. The repost looks better as far as the stacking goes, but I prefer the color and tone of the first, especially the darker bg.
Registered on November 14, 2003, 840 Posts, 12902 Comments
Comment posted by Barb Pflaum on December 18, 2012 at 7:26 PM
Very nice closeup of the symmetrical design in this flower! I agree with Scott that the sharpness is better on the repost and I prefer the color and bg of the first version.
Registered on January 14, 2009, 316 Posts, 2724 Comments
Comment posted by John Clulow on December 18, 2012 at 7:41 PM
Thanks Barb and Scott, and I'll make it unamious; I can only cite temporary insanity as a reason I went into ACR and changed the settings of all the images before I put them through zerene. I should have just left them as is. (and I hope you are not thinking the ajective "temporary" is questionable.) :smile:

But I do appreciate your perception that the zerene result was superior given this particular less-than-ideal input stack. I am finding it to be superior and worth the price. The nice thing is that anyone can determine that for themselves with the free, fully functional 30 day trial.
Registered on November 1, 2012, 155 Posts, 1079 Comments
Comment posted by Carolyn Derstine on December 18, 2012 at 9:07 PM
Your original image really "pops"! I guess your repost addresses some stacking concerns but I prefer the first for everything else. :smile: Very beautiful and interesting flower; great to see all the clear details from your stacking. Love the colors too.
Registered on February 16, 2011, 610 Posts, 3684 Comments
Comment posted by Jeffrey Sipress on December 20, 2012 at 2:03 PM
Fabulous work John. This is quite intriguing.
Registered on February 17, 2004, 236 Posts, 1197 Comments
Comment posted by John Clulow on December 23, 2012 at 7:00 AM
Thanks Carolyn and Jeffrey; don't know why I decided to re-process the stack before re-doing it in zerene, but I agree the colors were better before. But the good news is that I did it in ACR and it would take a few seconds to change back and a few minutes to re-process in zerene; which I will do if I ever use it again. Thanks again.
Registered on November 1, 2012, 155 Posts, 1079 Comments
Comment posted by Scott Fricke on December 24, 2012 at 12:34 PM
Great comp John, it almost looks like a kaleidoscope image. I like the great DOF you achieved.
Registered on January 19, 2007, 133 Posts, 1448 Comments
Comment posted by Albert Darmo on December 26, 2012 at 9:57 PM
Hi John :wavey: I still prefer the first version, with its better color , light and BG. It lets me better appreciate the fine structure, and the interesting geometric lines of the flower ... with my poor eyesight, i hardly see those artifacts, and less than super sharp detail, which puts me in the minority.on most posts :rolleyes: :smile:
Albert Darmo
Registered on November 25, 2008, 1386 Posts, 11978 Comments