I have a lot of thoughts and feeling about vampires right now, so let’s get one thing straight: In this day and age, a vampire would be able to see themselves in (some) mirrors and in photos.
The myth that vampires cannot see their reflection or appear in photos is because of SILVER - Mirrors are made from silver, and old plate photography was done using many silver based compounds.
Reflections - A Vampire would more than easily be able to see their reflection in plain glass, water, and any other polished and reflective surface. Mirrors can be made from other metals too, like gold or bronze, but mirrors made from aluminium would function best as a regular mirror.
Photography - I see no reason why a vampire wouldn’t show up in a digital photograph (provided that the photo wasn’t taken with a flash that involved any silver reflection. Vampires would all be selfie pros.