Dji
DJI is a Chinese technology company best known for their drones and camera gimbals. While not primarily a lens manufacturer, DJI produces lenses for their drone cameras and has recently entered the cinema camera market, producing lenses for these systems as well.
Dji Lenses
DJI 15mm f/1.7 MFT Asph
~$400
DJI 15mm f/1.7 MFT Asph is a auto focus ultra-wide lens for 4/3 cameras.<p><b>Optical design</b></p>Has 7 aperture blades, mid-grade lenses usually have this amount of blades. Having rounded blades provides out of focus circle shape closer to a circle. Wide open, subjects located outside the depth of field are shown very blurred.<p><b>Physical characteristics</b></p>36 mm long, this small lens should be always in the camera bag. With a lens filter diameter of 46 mm you are one step from the next standard filter size, buy step-up ring and bigger filter but you can chose from plenty options. Weights 115 grams so convinient to carry.
DJI Phantom 4 Pro
~$708
DJI Phantom 4 Pro is a auto focus wide angle lens for aps-c cameras.<p><b>Optical design</b></p>Bright lens thanks to the high aperture value Full frame equivalent focal length is 36.0 mm.