Sony FE 28-135mm f 4 G PZ OSS Lens Inheriting technology from Sony professional equipment, this lens boasts a precision optical design that supports 4K as well as upcoming high-resolution formats with minimum breathing & image shift. High-resolution movie formats impose exacting performance standards, & this powered zoom really delivers with the precision & quality that 4K & higher formats dem&. Impeccable Sony G Lens design emphasizes a graceful balance between high resolution & gorgeous background bokeh that can enhance the artist’s vision. Lens requirements for moviemaking are demanding. Sony Smooth Motion Optics ensure minimal focus breathing, quiet operation, & other qualities that are essential for movies. Quiet operation is a priority for professional movie shooting, so an SSM (Super Sonic wave Motor) drive system has been employed for precise, quiet powered zooming. A compact, lightweight design that is also dust & moisture resistant is ideal for situations that require mobility plus reliability.