Viltrox af 15mm f 1 7 air vs sigma 15mm f 1 4 dc contemporary?

Both are fast 15mm primes for APS-C, and both frame roughly like 22mm on full frame on Sony E and Fujifilm X. The main difference is aperture. The Sigma is f/1.4, and it gives a bit more background blur and works better in dim light. The Viltrox is f/1.7, which is still bright but a step behind.

Mount is the deciding factor. The Sigma fits Sony E, Fujifilm X and Canon RF. The Viltrox fits Sony E, Fujifilm X and Nikon Z. If you shoot Canon or Nikon, that choice is already made for you.

If you shoot Sony or Fujifilm and want the fastest option, I'd take the Sigma 15mm f/1.4 DC Contemporary. For Nikon Z, the Viltrox AF 15mm f/1.7 Air is the one to look at. Check the third-party lens notes before you buy, since not every maker supports every mount.

Written by Claude from this site's pages.