elb's hovel of thoughts

Sunday, June 19, 2005

Photography: Zoom Effect

One of the many effects in photography is called the zoom effect. This is achieved via using a reasonably long exposure, and zooming in on a target whilst the photograph is being taken. It creates a sense of speed of the area surrounding the target; basically almost everything gets blurred out, depending on the speed of the zoom and the exposure length. Still blur? Here's a sample shot:

The area immediately inside the entrance of the Museum of Natural History, London:

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1/6 s, F3.5, 18mm, ISO1600, EV 0, Shutter priority.


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1/6 s, F3.5, 18 - ?? mm, ISO 1600, EV 0, Shutter priority.


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1/3 s, F4.5, 18 - ?? mm, ISO 1600, EV 0, Shutter priority.

The picture above is brighter simply because of the doubled exposure time; I thought that it was a pretty good shot considering that I wasn't using a tripod then! More detail of the sides of the walls are also seen as a result. The statues are also clearer because less time was spent zooming the lens but holding it steady. Don't they seem to have an air of life around them, like ghosts? ;)

3 Comments:

  • Hmm.. I almost thought you applied a motion blur filter with photoshop. I wonder if i can do that with my A95 :D 

    Posted by Silencers

    By Anonymous Anonymous, at Sunday, June 19, 2005 8:00:00 am  

  • staring long at them makes u dizzy. lol
    very nice. didnt know that u knew so much bout photography :P 

    Posted by Jing

    By Anonymous Anonymous, at Sunday, June 19, 2005 8:24:00 am  

  • silencers: nope, it was 100% unedited and untouched :) perhaps you could, if you're allowed to fiddle with the exposure length.

    jing: no you're correct actually, I don't know much about photography yet :P 

    Posted by pat

    By Anonymous Anonymous, at Tuesday, June 21, 2005 1:26:00 am  

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