New ZTE Axon 40 Ultra smartphone has three 64MP cameras by Jose Antunes - ProVideo Coalition

Why don't mobile phones use variable focal length lenses? Would it impact battery life? If yes, then how much would it be impacted? - Quora

Do any good quality wide angle zoom lenses exist that go from 18-24mm? - Quora

New ZTE Axon 40 Ultra smartphone has three 64MP cameras by Jose Antunes - ProVideo Coalition

What are the limitations of optical zoom in phone cameras? - Quora

Would it make sense to construct smartphone cameras 'lying' in the body? Increased focal length and optical zoom could be implemented? - Quora

Sony IMX989, a 1-inch type image camera sensor for smartphones by Jose Antunes - ProVideo Coalition

ProVideo Coalition

Camera Lenses: Has anyone computed what would be a normal focal length for the various sensor sizes? Example, 50mm is normal for a 35mm size sensor. - Quora

New ZTE Axon 40 Ultra smartphone has three 64MP cameras by Jose Antunes - ProVideo Coalition

How is the focal length of a cell phone camera determined? - Quora

Sony IMX989, a 1-inch type image camera sensor for smartphones by Jose Antunes - ProVideo Coalition

How can smartphone manufacturers put cameras with a longer focal length than the total thickness of the phone they're built into? - Quora

Do any good quality wide angle zoom lenses exist that go from 18-24mm? - Quora