Should MTF charts supplied by different lens manufacturers be compared? I don't see why not, but I defer to more experienced photographers.
Specifically, I want to buy a 50mm lens and when I compare the Samyang 1.2 to the Sigma Art, the Samyang looks very close.
Specifically, I want to buy a 50mm lens and when I compare the Samyang 1.2 to the Sigma Art, the Samyang looks very close.