When I first heard that Viltrox was making a high-end 135mm f/1.8 prime lens for Sony full-frame, I had two reactions. One: wow, that’s ambitious. And two: it’s probably going to cut corners. Turns ...

Viltrox has been steadily building up its lens portfolio over the last few years, more recently majoring on ultra-compact, lightweight and inexpensive Air series lenses, Evo lenses that combine ...