The customized engraving part sounds cool. Sorry, someone had to say this.
And no, it doesn't look like a clone of the Voigtländer, since the block diagrams are only vaguely similar, and even that is only evident in the mid-rear part(s) of the lens(es). That could be a common trope of lens design, who knows.
And no, it doesn't look like a clone of the Voigtländer, since the block diagrams are only vaguely similar, and even that is only evident in the mid-rear part(s) of the lens(es). That could be a common trope of lens design, who knows.