The tester says camera is indeed branded G Lens, but he doesn't see a "wow factor" in it, and if the leaked samples are any indication that might hold true, but we'll have to get the retail unit before passing any judgment. It's not clear whether the Honami he got was wrapped up as a "mule" of sorts, or is it the final design, as his measurements showed a suspiciously heavily, 190 grams device...
Source: http://www.phonearena.com/news/Sony-Z1-Honami-tester-comments-on-a-prototypes-G-Lens-camera-chassis-and-display_id46620
Source: http://www.phonearena.com/news/Sony-Z1-Honami-tester-comments-on-a-prototypes-G-Lens-camera-chassis-and-display_id46620