Canon ST-E2 Speedlite Transmitter brand_Metz It is very much a

It is very much a mirrorful camera and it will not work with your E-mount "Alpha" lenses- only Sony/Minolta A mount SLR lenses

SMC Pentax-DA AL WR 18-55mm f3

and a fast Rollei-HFT Sonnar 40mm f2

The Canon Speedlite Transmitter ST-E3-RT is a radio trnamitter and control system for the Canon RT radio remote flash system

including peaking and a nifty video inlay on the optical viewfinder

Canon ST-E2 Speedlite Transmitter brand_Metz It is very much aCanon ST E2 Speedlite Transmitter for wireless TTL control of compatible Canon E TTL II Speedlite flash units (420EX, 430EX, 430EXII, 550EX, 580EX and 580EXII). Includes case and instructions.