About - This photo got a lot of interest when I posted it on facebook so I have decided to write a quick 'behind the photo' post about what was involved.
Summary - It is always exciting as a photographer to arrive at a scene unfolding in front of you as spectacular as this one. To get the shot, it required some pre-visualisation and then some quick thinking so I didn't miss the moment.
Lens Selection - My first decision was which lens to select. I perhaps could have captured this whole scene in one shot using an ultra wide angle or fish eye lens, however the boat shed and rainbow would have seemed distant and distorted. So I went straight for my 24-70mm lens with a plan to take multiple photos and stitch them together later in post production. This way the two 'star' elements of the image, the boat shed and the rainbow, would seem compressed together and provide more impact.
I took 9 photos overlapping by about 1/3, handheld. Normally I would have used a tripod to ensure a good stitch in photoshop, but this would have taken too much time to set up, and I only had a couple of minutes at most.
Camera Settings - Knowing that I was going to stitch the photos together later in photoshop, I needed to keep all photos the same exposure and the same focal point. I set all my camera settings to manual, metered the scene and then underexposed by 1 stop to ensure I didn't lose detail in the rainbow . That gave me (f10, 1/160sec, 200 iso) and then I took 9 shots in portrait orientation making sure I kept the horizon level and rotated each shot over the cameras nodal point.
The Post Processing - After loading the photos into Lightroom, I made some basic adjustments including 'enabling profile corrections' in lens correction, and opening up the shadows from for the boat shed which was underexposed. I then 'merged to panorama' in photoshop where I got a little creative using some photoshop selection masks and filters from Nik Software to warm to sky and smooth the water. Then I saved the photo back into lightroom where I sharpened it, and reduced the noise before loading to my website for sale.
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