El Matador – Seaweed

El Matador - Seaweed

El Matador – Seaweed, Malibu, California, USA

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Copyright 2016, O. Bisogno Scotti, All Rights Reserved

Nikon D810 DSLRAF-S VR Micro-Nikkor 105mm f/2.8 G IF-ED, exposure: f/36, 0.3 sec., ISO 64, exposure program: Aperture Priority, shutter: M-up mode, Vello Wireless ShutterBoss Timer Remote,  Manfrotto 3221 tripod with Manfrotto 3047 studio head,  depth of field measurement:  Simple DoF CalculatoriPhone 6+,  capture date and time: 8/26/2016, 9:48 am.

11 thoughts on “El Matador – Seaweed

  1. This image of delectable seaweed caught my eye and set off an experiment soon to be a new discipline for me. Most of my images for the past 3 years or so have been HDR (High Dynamic Range), but I went a little further this time by exposing 18 frames altogether.

    Through much experimentation, I have found 3 frames (I have tried as many as 9) to be best for HDR photography, one frame exposed right on the reflective meter in your camera (or handheld incident light meter if you have one), another frame exposed at +2 stops, and the third frame exposed at -2 stops.

    Since the subject was only 4” long, it would have to be captured with a macro lens and in macro photography depth of field is always a problem. The closer you get to the subject , the less depth of filed you get, sometimes only ¼”.

    Here’s where it gets crazy: I started by focusing (manually) on the seaweed where it began at the left of the frame and exposed 3 frames as outlined above. Next I moved the focus over to the right by watching the focus grid in the viewfinder while pressing the right arrow on control wheel on the back of the camera, focused again (manually), and again exposed 3 frames. I repeated this 6 times until the last focus was on the tail end of the seaweed over by the right frame.

    Now I have six sets (called stacks in Adobe Bridge) each containing 3 frames so it equals 18 frames (image files) all together. I processed each set individually with Adobe HDR Pro which puts the 3 image files into one HDR file on layers, aligns the layers, then blends them.

    This creates 6 HDR image files, each one being focused at a different place within the frame. Again in Photoshop, the 6 HDR image files are placed on layers, aligned, and blended into one image file. This file is perfectly sharp throughout the image creating never-before-possible depth of field. The technique is called Focus Stacking. Is is worth it? Yes, if you want maximum depth of field. This makes shallow depth field strictly an artistic decision in macro photography now that there are other options available.

    Keep in mind that you will need the camera mounted on a sturdy tripod. For extreme sharpness, use a remote shutter release and mirror up mode on your camera.

    Liked by 1 person

    • Thanks Mar. It’s like you see something, the image is in your mindseye, but you don’t know how to accomplish it…so you figure it out. If you keep doing this, you end up knowing a lot of stuff.

      The down side to this would be: You see something, the image is in your mindseye, but you don’t know how to accomplish it…then you figure out you need a $6,000 Nikon lens! 😉

      Liked by 2 people

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