Australian_Photography_-_June_2016_

(C. Jardin) #1

48 AUSTRALIANPHOTOGRAPHY.COM AUSTRALIAN PHOTOGRAPHY JUNE 2016


PHOTO TIPS seamless panorama stitching


Lighting
Think about where the sun is and how the scene is lit before
you start shooting. Positioning the sun at your back will result
in a uniform and easy-to-manage exposure throughout the
entire scene. Shooting into the sun, when it is very low and
close to the horizon or when it falls behind a cloud, is also
possible. In terms of exposure, it’s important to expose for the
brightest part of the scene. I often use filters to assist
with exposure control – neutral density filters to slow the
shutter speed, and graduated neutral density filters to darken
bright skies.

Straight shooting
You’re almost ready to start shooting. Before you do, the
following tips can save you hours of mucking around in post:


  • Shoot from left to right, the images will load in your browser
    from left to right, so it will make it easier to keep track of your
    series when you’re back home on your computer.

  • Before you commence the series, take a picture of your
    hand with a finger pointing in the direction you are about
    to pan to.

  • You can use your viewfinder’s grid display to help keep your
    images level. Line up the horizon with one of the grid lines to
    improve your chances of capturing a level horizon.

    • Pan slowly and accurately, there is no need to hurry to the
      next image. Keep an eye on the entire scene and on your
      viewfinder to ensure you’re panning accurately to the
      next frame.

    • Shoot more images than you need. I usually aim for around
      six frames with about 25% overlap. The more overlap you have
      the greater your chance of obtaining a successful stitch. The
      greater the overlap however, the more images you will need to
      take to obtain the ideal 3:1 ratio.

    • Stop to take each frame, there is a natural tendency to pan
      through the whole scene whilst clicking frames along the way.
      By stopping you are ensuring the sharpest images possible and
      can concentrate on your composition.




Raw processing
Before you start stitching your images, it’s important to refine the
Raw files to optimise tonality, white balance and clarity:


  • Once you have downloaded your memory card, place each
    series into a separate folder, so you can keep a track of
    each attempt.

  • Highlight all the Raw images in the series and drag them into
    Adobe Camera Raw (Photoshop) so all the files open at once –
    the thumbnail of each image should appear on the left side of
    the screen.

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