Saturday, March 2, 2013

Exercise: Different types of metering



Great feedback on Assignment 3 came in this morning, just as I am kicking off Part 4:  Lighting.  This exercise is not part of the course but something I thought useful to explore.  Freeman kicks off his discussion of light with a review of types of metering, so I headed out to see how types of metering manifest.  Here are results from scenes captured just out back, a 5 minute walk from the flat (which is actually pictured here).  The only post-processing on these images is lens correction and sharpening.





These were taken at approximately 17:00 on a clear day.  Sunset was at 18:20.  The row of towers is well and evenly lit, the sun over my right shoulder.  The difference in matrix and center-weighted metering is marginal, but there are more noticeable differences when spot metering was used on especially light or dark areas of the scene.

The next set of images was captured by almost literally turning around and looking into the sun.  Because the sun was pretty much center of the image, center-weighted produced a more underexposed image than matrix.  Spot metering on the street produced blown-out highlights around the dome and a completely washed out sky.  By returning to matrix metering and dialing in extra exposure I got a more evenly exposed image.





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