Question: are sigma dc lenses full frame?
Answer: Using the Sigma 18-35mm f/1.8 DC Lens on a Full Frame DSLR. While the Sigma 18-35mm f/1.8 DC HSM Art Lens is designed to cover only an APS-C-sized camera sensor, this lens mounts and functions on a full frame DSLR. ... Check out the complete full frame vignetting comparison to get the entire picture.