Originally posted by DSims
Interesting info - thanks.
By "top image quality performance a consumer can buy" you must be making assumptions about affordability, by not including everything that's available on the consumer market. Many people who can afford a $10,000 camera could also afford a $40,000 one, so I'm not sure how you can arbitrarily determine a cutoff price. Except in low light or other demanding conditions, an IQ180 back on a Hasselblad or Phase One body with a great lens will still win. And an 8x10 or larger film camera will also win, if you don't mind carrying it around. So there are obviously some preconceived assumptions here.
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In photography there are no absolutes.
So the 645Z will not be the absolutely best camera in everything we think of, but judging the overall performance in many relevant areas for general purpose consumer photography defined today by DSLRs and mirrorless cameras, it should top them all, and better many MF counterparts.