New Sigma ART lens tests by Jason Vong and Lenstip
On top you can see Jason Vong’s ART lens test. While Lenstip tested the Sigma 105mm f/1. 4 test (Canon version): The Sigma A 135 mm f/1. 8 DG HSM was one of the best lenses we’ve had an opportunity to test so far. sonyalpharumors.com »