Lauren Heerschap  


Yellow Dahlia by Lauren Heerschap

September 2020 - Yellow Dahlia

About the Image(s)

This dahlia I shot on a sunny day and used a reflector to bring the light to the center. I was on my Olympus EM Mark 2, and at auto ISO, f 2.8 on a macro lens 60mm, photo stacking. I am experimenting with the technique in PS using the subject selection first then fine tuning it to details, creating the black background. Very fun.


6 comments posted




Renee Schaefer   Renee Schaefer
Lovely Dahlia. Very sharp. I like the slight diagonal of the stem. Interesting technique.   Posted: 09/10/2020 19:46:17



Jon Allanson   Jon Allanson
The photo stacking has worked very well with this image, making all of the flower head sharp. Did you stack in PS or was it done in camera, as some of the Olympus cameras have it built in ?
In another group I am in I have been looking at a stacked image in which the exposure has ben varied between shots to eliminate burn out or to lighten up a shadow area. A technique like that could have been used to brighten up the stem in this image.   Posted: 09/11/2020 06:19:38



Lauren Heerschap   Lauren Heerschap
My Olympus camera has the focus stacking built in as an option and I can choose if I want to do it outside of camera. How is what you are describing - varying shots with exposure - different from HDR?   Posted: 09/11/2020 12:44:17
Jon Allanson   Jon Allanson
The main advantage is that you are in complete tonal control, and you are only changing the tone of a specific area, as if you were using an adjustment layer on apart of the image - you allow the computer to auto mask based on your sharp focus area selection. Rather than changing the exposure at the taking stage, you could select the frame out of your stack with the desired in focus area and then adjust the tone before the blending is applied.

Using HDR gives you very little control as the program calculates all the tonal levels for you.   Posted: 09/13/2020 09:21:06
Lauren Heerschap   Lauren Heerschap
Got it. Thanks.

Lauren   Posted: 09/13/2020 11:39:13



Stephen Levitas   Stephen Levitas
(Group 32)
This is a gorgeous shot. Because you have such good light on it, it would also look great in monochrome (my Group 32 is a monochrome group). Just mentioning--I prefer the color for this shot.   Posted: 09/16/2020 21:57:05
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