Shootout: Sony 135mm f/1.8 GM vs Sigma 135mm f/1.8 DG HSM Art (Mosaic, Sony A7R III)
Get Sony 135mm f/1.8 GM at B&H Photo.
This page compares the Sony FE 135mm f/1.8 GM to the Sigma FE 135mm f/1.8 DG HSM Art from f/1.8 through f/8 on a demanding planar (flat) target with extremely fine details. Focus shift and field curvature are assessed along with sharpness through the aperture series.
Shootout: Sony 135mm f/1.8 GM vs Sigma 135mm f/1.8 DG HSM Art (Mosaic, Sony A7R III)
Includes images up to full camera resolution with crops and extensive analysis.
There are important differences between these two lenses; anyone contemplating either should take note.