Zolix is manufacturer of lens mount, mirror mount, manual stage, and related opto-mechanics, the specification as below
Precision Center Mirror Mount,8mm,10mm and 12.5mm Diameter, 2 Knob Adjustment
Details&Spec:
Relatively small in diameter for clamping the lens, the lens can be adjusted two-dimensional tilt adjustment screw for fine-tooth screw M4x0.3, Extension Spring reset. Compact form to save space. They can also be used for precision space APSF13-1A filter, replace the micro-lens. Adjustment range: ± 3 °