Laowa 10-18mm F4.5-5.6 Lens Side Adapter Ring for 100mm
You can also use the 5.9 and 6.7 inches (150 and 170 mm) holders by attaching the step-up rings (sold separately).
Vignetting Status:
When using 1 filter frame: 0.15m - ∞ no vignetting
When using 2 filter frames: 0.25m - ∞ no vignetting
Note: When taking off the ring, you can pinch and pull it with your thumb and index finger as shown in the 6th picture