Lens WTF?! “Modulation Transfer Function” (MTF Chart) Explained
MTF 50 graph of the Sigma 50mm F1.4 Art lens, showing MTF50 of the center, average value and corners at different apertures. | Roger Cicala / LensRentals
MTF 50 graph of the Sigma 50mm F1.4 Art lens, showing MTF50 of the center, average value and corners at different apertures. | Roger Cicala / LensRentals