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canon already have a prototype of camera with 120MP sensor
Quote:I was reading that it was off sensor electronics that caused extra noise,and that their latest sensors have now incorporated on sensor signal amplification (as stated by BC), hence their recent improvements in DR and noise..Their new flagship 1DXIII is supposed to have near Nikon performance.

Klaus stated that F4 was a limiting aperture factor in terms of diffraction for the Canon 50Mps sensor, that would suggest to me that for a 120Mps sensor (at a guess) we would be talking about lenses of F2.8 to avoid diffraction limits, that will surely put the cat among the pigeons to find lenses at that level!

Anyway if this sensor ever comes to fruition or more likely as has been said industrial usage fruition, it is doubtful that it will be used by general photogs, just the file handling, computer power required and storage space would be a logistical nightmare.
The 1D-X mk II shows better low ISO noise performance than the 1D-X. The D5 shows worse low ISO noise performance than the Df (and D4/Ds). 

The 1D-X mk II then outperforms the Nikon D5 in that regard. The Nikon shows improvements in high ISO, but the results I have seen posted still leave some question marks regarding how well it does, and they are so artifact rich that it seems that heavy and bad processing is going on. Whether that is from the used RAW converters or something else is yet unclear to me.
It appears to me, someone told the engineers of the D5 "I want to see 7 digits of ISO, make it happen whatever it costs!".


It truly is no low ISO specialist and aims form the beginning to low-light capacities at the cost of other qualities. I'm not sure if I want to think "well done engineers, you focused perfectly on low light capacities" or "why do I need to buy a D5 for low-light and a D810 for low ISO? At this price tag I want both in one body!"
A 120 Mpix-full-format-sensor demonstrates technical capabilities, but the practical value seems rather limited at the moment.. The range of lenses that perform well enough at f4 and below is not too wide. High ISO-values are ruled out, as well a high frames per second rate. For static subjects with focus-stacking it may be a good solution.


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