Do you have a zoom lens for your digital SLR? Most people do as they tend to be purchased as a kit and the lens in the kit is usually a zoom lens either in the 18-55mm or 55-200mm range. Maybe you got both or have one with a different range.
Besides the advantage of having a variable range of focal lengths, zoom lenses can be a lot of fun in creating the Zoom Effect. The best way to do the Zoom Effect is to use a tripod and set your camera in Aperture priority mode. You want to set the aperture to give a long shutter speed. Something like f/16, f/22 or f/32 if your lens goes out that far and starting at the smallest focal length of the lens.
In the example below, I took a photo of the Rainforest Cafe in Downtown Disney’s Marketplace. This photo was taken at 1 second shutter speed, an aperture of f/16 and ISO of 200 at a focal length of 110mm using my Nikon 18-200mm VR lens.
Rainforest Cafe sign in Downtown Disney.
Nikon D70/18-200VR, 1s, f/16, 200 ISO, 100mm Focal length
Here’s where the fun comes in. On this next shot, I set the aperture at f/32 which gave me a shutter speed of 3 seconds. Starting at a focal length of 18mm, I tripped the shutter and quickly and smoothly zoomed the lens out while the shutter was open. By the time the shutter closed, I had zoomed out to a focal length of 135mm. The results as you can see, give a great effect of the sign jumping right out at you.
Rainforest Cafe sign zoomed in at Downtown Disney.
Nikon D70/18-200VR, 3s, f/32, 200 ISO, 18 to 135mm Focal length
Pretty neat, eh? The Exif data will only show the final focal length when the shutter closes but I knew where I started from. You can also start at the long end of the zoom lens and zoom to a lower one. I’ll leave that to you as an exercise. Leave a comment below if you want to share your results.
I have found it best to keep your subject simple when doing this. Too many subjects and it gets hard to tell what you are taking a picture of. This is great to do in low light and especially with artificial lights like the sign I used above. The link above will give you more tips and ideas on how to use the Zoom Effect.
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