(Image Source Page: http://www.pentax.jp/japan/products/645d/feature.html)Since the 645D was announced, people, in particular Pentaxians, have been arguing about the advantages against the shortcomings of the new 645D when it is compared against other DSLRs of different sensor sizes, pixel counts and form factors. I think it would be of no harm for me to list out the factual data of some of the
