Tuesday, August 22, 2006

Project 5: Panning With Different Shutter Speeds




Shutter Speed = 1/80 sec









Shutter Speed = 1/60 sec











Shutter Speed = 1/30 sec











Shutter Speed = 1/20 sec









Shutter Speed = 1/15 sec






The shots taken at 1/30 sec and 1/20 sec really show a sense of movement and speed and draw the viewer's focus towards the subject. The shot taken at 1/15 sec is a little too blurred.

Project 4: Shutter Speeds

My first attempt at this project resulted in very little discernible difference between the pictures. Upon closer studying the image files' metadata it became apparent that my camera had been automatically adjusting the ISO rating for each shot and had been using it's Anti-Shake facility in an attempt to keep the images sharp. Also, the photos were taken in bright midday sunshine resulting in any shots taken with exposures longer than 1/125 sec being overexposed as my camera could not adjust to a small enough aperture. I will retake the series of images with the ISO rating fixed at 50 for all shots, the Anti-Shake function switched off, and in a dimmer environment.

My second attempt at this series of images is shown below...







1/250 sec












1/200 sec













1/16 sec













1/12 sec













1/80 sec













1/40 sec













1/20 sec











1/500 sec








1/320 sec








1/200 sec








1/100 sec









1/30 sec




The slowest shutter speed at which everything is sharply frozen appears to be around 1/500 sec. The sense of movement is best captured at shutter speeds of 1/100 sec and slower (although obviously the amount of blurring is also dependent upon the speed at which the subject is moving).

Project 3: Focus With Different Apertures

I took a series of photos focusing on the same subject using different apertures. The two photos at the extremes of the available apertures are shown here with the limits of sharpness in each photo drawn with a black line (click on each image to see them full size). In both pictures the camera was focused on the man asleep in the deck chair.


Picture taken at aperture of f/8 with a large depth of field.











Picture taken at aperture of f/4.5 with a smaller depth of field.


Although there is little discernible difference between the photos at first glance I do prefer the one with the shallower depth of field as it draws the eye more to subject asleep in the deck chair.