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Z7 dynamic range

Discussion in 'Nikon Z Mirrorless Forum' started by Pa, Oct 12, 2018.

  1. Bill Claff has posted his dynamic range measurements for the Z7 sensor at his website photonstophotos.net. Not surprisingly it is identical to that of the D850.

    if you'd like to see the data here is the link.

    Both are slightly inferior to the D750 in the lower iso range (Link). The difference would not be field-relevant, however.

    Those measurements suggest strongly that the Z7 has the same sensor as the D850.
     
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  2. Hi Jim,

    thanks for the link. It does seem that the Z7 and D850 have the same performance. I think they are different chips because of the on chip autofocus sites. But the are probably using the same basic silicon design for the photosites. This makes me want to get a Z7

    Cheers,
    alexis

    " I want a 500PF before you get another body mom...." - Georgie Beagle
     
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  3. Maybe the takeaway is that we're reaching the limits of sensor design.
     
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  4. turboBB

    turboBB

    70
    Feb 28, 2013
    NJ, USA
    @Pa@Pa - for now... can't wait to see what Gen2 Z series cameras will bring ;) 

    Z series development started years ago and while it's not exactly all new technology given the complexities of a new platform, IMO, quickest way for time to market (especially given the lead Sony has had and likely hearing rumors of Canon's FF mirrorless) it'd make sense to re-use existing parts that have proven themselves as foundations for newer versions; like the EN-EL15 battery and basing the Z7's sensor on the D850's design rather than starting from scratch (and I wouldn't be surprised if the Z6's sensor is based on the the D750's).
     
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  5. Can't disagree with any of that. However, we haven't seen any real improvement in sensor performance in several generations.
     
  6. MNglass

    MNglass

    95
    Dec 7, 2005
    You could argue that increasing resolution while retaining the same DR is an improvement in performance.
     
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    • Agree Agree x 1
  7. Yes, and they did do that from the D810 to D850. It will be interesting to see if that can continue to the next generation. But the D850 pixel density is still lower than that of the D7200. If the next generation of DX sensors offers significantly improved DR that would be real progress.
     
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  8. Jim .. which is more important .. pixel density or dynamic range?

    Nikon D850 vs Nikon D7200 | DxOMark

    DxO says the D850 has greater dynamic range, and often a slightly lower pixel density contributes to less noise and greater dynamic range.

    Nikon D850 vs. Nikon D7200 - Sensor Comparison
     
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  9. Well of course it depends on the application. Generally, as you probably know, higher pixel density leads to lower dynamic range. But for the same field of view, higher pixel density provides more information.
     
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