Nikon has kept the amazing dynamic range performance of ISO 64 and although I wish the native ISO sensitivity was lowered even further, unfortunately, current sensor technology simply does not allow yielding even more dynamic range out of modern sensors. Plus, Sony already hinted that it will be keeping the best of its sensors for its own cameras, so it was about time for Nikon to move its focus towards other sensor manufacturers.18) Image Quality and ISO PerformanceDue to the structural and technological improvements to sensor design, Nikon was able to push the sensor performance of the Nikon D850 to its limits.
Many thought that the D810 replacement would again have a Sony-designed sensor, since both the D800 / D800E and the D810 / D810A had Sony sensors, but Nikon decided to take a different route this time, which in my opinion is good news, since we probably won’t be seeing other cameras with the same sensor any time soon (the original Sony-designed 36 MP sensor was used on the Sony A7R, Nikon D800/D800E/D810/D810A and on the Pentax K-1).
It is also worth mentioning that Nikon designed the D850 sensor just like it has done before on many other DSLRs and used a third party silicon foundry to manufacture the chip. Since photodiodes are positioned closer to the sensor surface on a BSI sensor, it minimizes light losses, which results in better image quality, as shown below:So despite having a higher resolution sensor, the Nikon D850 should be able to deliver outstanding image quality that surpasses the image quality of its predecessor, something we will be able to compare and see in the next pages of this review. Reader Comments ✱7) Image SensorAs I have already mentioned on the first page of this review, the D850 features Nikon’s first ever back-illuminated (BSI) CMOS sensor, which is kind of a big deal, since BSI sensors are more efficient than traditional CMOS sensors in capturing light. Autofocus Performance and Lens Selection4. Review Rating:Last Updated On FebruBy Nasim Mansurov 346 Comments« 1.
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