Beastgrip Pro + Wide Angle Lens Bundle Easy access to phone buttons, USB and charging ports, modular design with removable lens mount assembly and handle Standard 37mm threaded lens/filter mount, compatible with wide variety of conversion lenses, filters, doff adapters and standard cold shoe mount Five standard 1/4"-2 threaded mounts for attaching to supportive photo/video gear such as tripod, stabilizer, slider, etc.