Tube is photonis XX2011 gen2+. Format is 43mm 'fat anvis'.
So only fits in 3d printed custom housing. This tube as no blem, but tiny spots that are visible.
The lenses are chinese 'shangrao cankun' (or srcky) pvs14 style lenses
Takes a c123, just a single on/off buttons
This a decent NVG mono for a beginer
3D printed J-ARM included compatible with wilcox style dovetail mounts
Ask in DM for more photos/Details