SUMMARY
A head-to-head comparison tests the Viltrox 56mm f/1.2 against the popular Sigma 56mm f/1.4 on a Sony a6700, evaluating autofocus, sharpness, bokeh, build quality, and price. While the Viltrox wins on overall scoring with superior sharpness and less focus breathing, the Sigma is significantly smaller and lighter. Despite the Viltrox's technical advantages and lower price, the reviewer opts to keep the Sigma due to its portability, highlighting that real-world shooting decisions often prioritize size and weight over marginal image quality gains.
TAKEAWAYS
Viltrox 56mm f/1.2 outperforms Sigma 56mm f/1.4 in sharpness and focus breathing.
Sigma 56mm f/1.4 is considerably smaller and lighter than the Viltrox.
Viltrox is cheaper than the Sigma, despite its f/1.2 aperture and weather sealing.
Real-world usability may favor the Sigma's portability over the Viltrox's technical edge.