Sony FE 2.0x Teleconverter so you don't have to

so you don't have to stretch around the camera body to reach key buttons

and portability

Sony ECM-B10 Overview

Integrated PC sync terminal for wired flash sync with strobe packs or wireless radio remotes

and intuitive handling

Sony FE 2.0x Teleconverter so you don't have toSony FE Overview Extending the effective focal length of Select Sony E mount telephoto lenses, the FE 2. 0x Teleconverter increases the lens's magnification by 2x for a narrower field of view. The dedicated design maintains full communication between the lens and E mount mirrorless cameras, including auto exposure metering, autofocus, and Optical SteadyShot image stabilization. Additionally, this teleconverter also features a dust and moisture