It's the DOF

In an essay by our regular columnistMike Johnston, titledRash Predictions, Mike posits a few predictions about the future of digital cameras. While I regard Mike as one of the most informed and prescient of current commentators on the photographic scene, I disagree with several of Mike's predictions in that column. (It would make sense for you to readthe columnin question before reading further here).
Mike's major premise is that the DSLR is "an evolutionary dead-end", and that we're headed for smaller sensors rather than larger ones.
Let's deal with these points one at a time.
Deer. Sunderbans Forest, Bangladesh. January, 2005
Canon 20D with Canon 300mm f/2.8L IS lens at ISO 400Effective focal length: 500mm
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Reflexes Forever
The termSingle Lens Reflexis a bit of a historical anomaly, left over from the days when we also hadTwin Lens Reflexes(remember those?) The term simply refers to viewing though th...