OM-D E-M5 vs E-5 (build quality)

Started May 13, 2013 | Discussions thread
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Great Bustard Forum Pro • Posts: 33,065
On aspect ratios.

boggis the cat wrote:

4:3 is a more efficient use of an image circle than 3:2 -- but, again, if you are discussing lenses designed for the sensor (and thus the aspect ratio) then there is no 'cropping advantage'.

I'm disappointed to see you write that, especially as it has been explained to you so many times before that the most efficienct aspect ratio for a sensor is the aspect ratio that most nearly matches the aspect ratio of the final photo.

For example, for someone who usually displays their photos 4:3 (or more square), 4:3 is, indeed, the more efficient aspect ratio than 3:2 for the sensor.  For someone like me, on the other hand, who usually displays their photos 3:2 (or more wide), 3:2, in fact, is the more efficient aspect ratio for the sensor than 4:3.

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