| A simple mechanism, with a thickened fixing plate and threaded locking mechanism, which ensure a higher stability； |
| Switchable between two and three dimensions, the thread group is ground with ultra-fine teeth, and the knob has an inner hexagon to achieve higher resolution； |
| A C-shaped adjusting plate, with an opening size as large as possible to ensure a larger clear aperture and minimize the blocked light beams； |
| Rubber-head screws on the side to fix the lens, which can avoid damage to the coated surface. |
