SHAPE Clamp-On Adapter Rings: 95mm to 114mm Sizes
By Filmgear Canada | Published: 2026-10-25
Category: Product Reviews
Learn how to choose the right SHAPE clamp-on flexible adapter ring for your matte box, with sizes from 95mm to 114mm and compatibility notes.
Quick Answer
Choose a SHAPE Clamp-On Flexible Adapter Ring that matches your lens diameter exactly—95mm, 100mm, 104mm, or 114mm—and is compatible only with SHAPE Clip-on (AKSCL) or Swing-away (AKSWA) matte boxes.
Why Size Matters for Your Matte Box Setup
The SHAPE Clamp-On Flexible Adapter Ring bridges your lens front diameter and your matte box. Each ring is designed for one specific lens size, so picking the right diameter is critical. Using a ring that is too small or too large can cause light leaks or make the matte box impossible to attach securely.
These rings are model-specific and work only with SHAPE Clip-on (AKSCL) and SHAPE Swing-away (AKSWA) matte boxes. If you own a different brand or model, these adapter rings will not fit—check your matte box compatibility before buying.
Flexible Clamp Design: Pros and Trade-offs
The clamp-on design offers quick attachment and removal without tools, which is ideal for run-and-gun shoots or fast lens changes. The flexible material provides a snug fit on the lens, reducing vibration and light leaks.
However, the flexible clamp may not be as durable as a rigid metal ring over many years of heavy use. It is best suited for shooters who prioritize speed and convenience over maximum long-term ruggedness.
How to Choose the Right SHAPE Adapter Ring
- 1. Measure Your Lens Diameter: Check the front of your lens for the filter thread size (e.g., 95mm, 100mm, 104mm, 114mm). This number must match the adapter ring size exactly.
- 2. Confirm Matte Box Compatibility: These rings only work with SHAPE Clip-on (AKSCL) and SHAPE Swing-away (AKSWA) matte boxes. If you have a different matte box, these rings will not attach. If you own a non-SHAPE matte box, look for universal adapter rings instead.
- 3. Select the Ring Size: Choose the ring that matches your lens diameter: 95mm, 100mm, 104mm, or 114mm. No other sizes are available in this series.
- 4. Attach and Test: Clamp the ring onto the lens, then mount your SHAPE matte box. Ensure there are no gaps or movement before shooting. Test the setup with your lens at different focal lengths to confirm no vignetting.
Product Facts at a Glance
- SHAPE Clamp-On Flexible 114mm Adapter Ring for Matte Box: The SHAPE Clamp-On Flexible 114mm Adapter Ring is for lens diameters of 114mm. If your lens has a 114mm front thread, this is the only SHAPE ring that will fit—no other size works.
SHAPE Clamp-On Flexible 114mm Adapter Ring for Matte Box - SHAPE Clamp-On Flexible 100mm Adapter Ring for Matte Box: The SHAPE Clamp-On Flexible 100mm Adapter Ring is for lens diameters of 100mm. This ring is a common choice for mid-size cinema lenses, offering a balance between coverage and portability.
SHAPE Clamp-On Flexible 100mm Adapter Ring for Matte Box
Who Should Buy These Rings
Best for
- SHAPE matte box users who need a quick, tool-free adapter for a specific lens diameter
- Run-and-gun shooters who value speed and ease of use over extreme durability
Not for
- Users with non-SHAPE matte boxes (these rings are model-specific)
- Shooters who need a metal adapter ring for heavy-duty daily use
