Quote:
Originally Posted by Peter Ward
Thinned CCD's now have QE's well over 90% from 450 to 700nm.
Problem is: these are specialised/cutting edge technologies that are unlikely to make it into any Canon or Nikon camera anytime soon.
And then there is the cost..... 
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Already here Peter.
Sony Exmor R is back illuminated (thinned) CMOS - I think that it's already in all sorts of devices at consumer-level pricing.
http://www.sony.net/Products/SC-HP/c...ing_Exmorr.pdf