Unboxing the vivo X300 Ultra Photography kit

Now that the vivo X300 Ultra is out and selling, you'll also be able to buy its accompanying photography kit. Vivo has gone about things differently than some of its peers. Instead of finding space for a second telephoto camera on the back, the X300 Ultra can extend the reach of its 85mm f/2.7 lens through teleconverter lenses. That's plural, because this year, in addition to the 200mm lens, there's also a 400mm one. Now, these aren't your typical camera lenses, where you get focusing parts and an aperture inside the lens. These are teleconverters, which means that they essentially...