Oooooooooold link.
And I already commented on this article in length.
The core issues are:
- Yes he is correct, the Fuji X system is great for what it is and as such doesnt need full frame.
- Image quality is NOT the only factor to decide for your optimal camera system. Otherwise everyone would photograph with large format, no ?
- Large format isnt medium format and neither are small format. Each of these formats is very different in their application. If you want a camera for a certain purpose, changing the format might not even be an option at all, because the other format lacks important features. Arias acts as if this wasnt the case.
- Thats why the "small" difference between APS-C and full frame, yes, is a big deal. Because its the maximum difference I still can get, for a certain set of functionality, and because the differences are NOT in the sensor size alone, but in the camera systems as a whole. For example a Nikon full frame camera is simply far superior to a Fuji X system when it comes to lowlight action, or wildlife (which indeed, for good reasons, is done with APS-C).
Zack Arias is a studio photographer by heart. Thats why he thinks image quality is everything, why he loves the fast sync of a X100 and why he loves the smallness of the Fuji X system.
A very different photographer is for example Chuck Jines and he really dizzed the X100t since in his opinion neither the autofocus nor the manual focus are good enough to be useable for street photography. Thats why Chuck Jines prefers to use old Minolta and Nikon film DSLRs with Tri-X film and manual lenses for his photography.