This exercise is to show the effect of using different focal lengths by changing lenses or zoom.
I was to take shots of a open scene with some detail in the distance, using whatever lens extremes I have available.
Image 1: @300mm 1/125s f11 ISO 100
Image 2: @70mm 1/60s f11 ISO 100
Image 3: @50mm 1/60s f11 ISO 100
Image 4: @24mm 1/80s f11 ISO 100
Image 5: @10mm 1/40s f11 ISO 100
I started with a 300mm lens in image 1 and focused on the youth hostel set on the banks of Loch Lomond. The angle of view closes right in to the building and practically none of the surrounding landscape can be seen. Changing my lens to 70mm, image 2, the view widens quite a bit, allowing me to slightly move the composition and bring the water and part of the swan in the foreground into the frame. At 50mm, image 3, there is only a slight widening of the angle of view from the 70mm position but in this setting it already brings more interest to this particular view. Now moving to 24mm in image 4 I managed to bring a lot more into the shot, allowing rocks and another swan to bring an interest to the foreground and show the surrounding hills in the distance. Finally image 5, using a very wide 10mm lens, it was possible to get a complete composition for this particular setting. It was now possible to bring the bird watchers sitting at the shore, the intrusion of the tree on the right and now the hills in the distance are less domineering and more complimentary to the scene. Image 5 is essentially focusing at the same point (the hostel) as in image 1 but with the extremes in focal length almost could be in different places.
I have found with this exercise that there is a great need to consider the effects available by using different focal lengths and to think carefully when choosing which to use when assessing what desired effect I am looking for in my set up for a shot.
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