jrista said:Are the improvements to Nikon APS-C cameras "unrealistic"? They seem to be not only realistic but highly beneficial for many photographers and types of photography. The D5300 is poised to completely topple the Canon domination of astrophotography thanks to its improved sensor and ultra low noise. The D800/810 could very likely become the first "budget" alternative to a full-blown high quality CCD camera once the black point hack is applied. And that's just in astrophotography.
When you browse astro landscapes on Flickr or 500px the key difference that stands out is format. You can generally tell a FF shot from a crop shot, especially when the FF shot is made using a fast wide prime. In this application light gathering ability rules.
You do not see any differences within formats, i.e. you can't reliably guess Canon or Nikon.
For tracked space only shots and star trails not even format seems to matter. Obviously since you are using stacking for light gathering. But for astro landscapes it stands out.
If I had to choose based entirely on astro landscapes I would take a 6D or 5D3 any day over any SoNikon crop camera. Given Canon's stellar fast wide primes, the only camera I would maybe take instead would be the Sony A7S with an EF adapter.
Again, real world vs. measurebating. Canon isn't loosing sales because the measurements you claim make all the difference in the world seem to make zero difference to the people producing stunning work on Flickr and 500px week after week after week.
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