23fbaf81_ess___Photographically_Curious__Mirrorless
[Overall] Technology [SLR] Well established, with long release cycles and less frequent updates. Large user-base including lots of professionals. [Mirrorless] 
Evolves rather quickly. Newer models supersede existing models about once a year. Slow acceptance outside of Asia, however users who understand the strengths of this technology find it very capable for general use.
SLR vs. Mirrorless | Photographically Curious
Mirrorless