Quote:
Originally Posted by ThomasTheGiraffe
Now take a 5DS at 50MP. This sensor crams 20 more MP into the same area. BFD right? Not exactly. Higher MP *generally* means poorer low light performance. And for me this is the big one; More megapixels mean those smaller pixels are more susceptible to camera shake.
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Pixel size is very important in astrophotography where light gathering capability is key.
And if you don't have high quality glass, it's garbage in/garbage out.