Your iPhone already comes with everything you need to capture great photos and videos. If you have Nikon, Canon, or Sony lenses sitting around, you can always use a special adapter to attach them to your phone to capture even more professional quality footage. These 5 iPhone DSLR lens mounts and adapters can help:
ULANZI DOF Adapter with Sony E Mount: made for iPhone and Android devices, this adapter lets you attach SLR and Cinema lenses to your phone. You will want to use a fast lens though.
Beastgrip DOF Adapter MK2: lets you use SLR/DSLR lenses with your phone. It is designed for full-frame lenses and has a native Canon EF mount.
Turnikit Rig for iPhone Xs and older: this rig lets you use Canon lenses with your iPhone. You can use a Nikon mount adapter for your other lenses.
EnCinema SLR Lens Adapter Kit Mark II: a SLR lens kit for smartphones that lets you use full-frame lenses with an aperture speed of f0.95 to f2.8. It has a Canon EOS-EF Mount mount with an optional Nikon lens converter.
Have you found better DSLR lens adapters for iPhone & Android? Please share them here.