https://gamesartist.co.uk/vintage_cam/
3D Artist Illya Plakhotya breaks down the creation of this realistic Vintage Camera. In this article, he talks goals, references, blockout, high-poly detailing in ZBrush, low-poly optimization, UV mapping in RizomUV, baking, texturing in Substance Painter, lighting and rendering in Marmoset Toolbag 4.
https://www.artstation.com/illyaplakhotya
https://www.artstation.com/artwork/y446L3