Canon mp e 65mm f 2 8 1 5x macro photo vs sigma 70mm f 2 8 dg macro art?

Here is what the site says about that.

From Canon MP-E 65mm f/2.8 1-5x Macro Photo: Canon MP-E 65mm f/2.8 1-5x Macro Photo: A macro lens by Canon for Full frame cameras, 65mm f/2.8. A manual-focus macro lens that magnifies from life size to five times life size. Specs - Maker: Canon - Focal length: 65mm (macro) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Canon EF - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Canon EF): as marked, 65mm. - ...

From Sigma 70mm f/2.8 DG Macro Art: Sigma 70mm f/2.8 DG Macro Art: A macro lens by Sigma for Full frame cameras, 70mm f/2.8. A sharp life-size macro lens; never made for Nikon F. Specs - Maker: Sigma - Focal length: 70mm (macro) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Canon EF, Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon EF, Sony E, L-Mount): as marked, 70mm. - ...

Quoted from this site's pages.