ULTIMAXX T-Mount for Canon EOS R DSLRs flash deals the AF performance can be

the AF performance can be optimized to handle a wide variety of subject movement types

the lens provides a modestly bright f/2 maximum aperture for low-light performance and shallow depth of field control

and quiet focusing performance to benefit both stills and video applications

including a double-sided aspherical lens element

ULTIMAXX T-Mount for Canon EOS R DSLRs flash deals the AF performance can beShort Description Compatible with all T Mount lenses. Lightweight, Durable All Metal Construction. Designed for all T Mount lenses for Canon EOS R In The Box ULTIMAXX T Mount for Canon EOS R Long Description Compatible with all T Mount lenses. Lightweight, Durable All Metal Construction. Designed for all T Mount lenses for Canon EOS R