Description

Minimise light leakage with our high-grade clamp rings. Made from top-quality Delrin plastic, these clamp rings allow for users to easily fit smaller lenses into standard-issue 114mm-diameter matte boxes. A Z-cut design ensures a tight hold, without light leaks; and the clamp ring sizes vary from 80mm up to 110mm: accommodating an array of lenses.

Ideal for quick lens-swapping and with ENG options for broadcasters, don’t miss out on these essential accessories.

Delrin Build

Rather than using plastic injection moulding, we choose to construct our rings from high-grade Delrin. This ensures dimensional accuracy and maximum clamping force, while retaining a light weight on the front of your camera.

Tightly Clamped

To protect the image from light leaks, all of our clamp-on rings feature our Z-cut design. This allows the ring to clamp tightly onto the lens with uniform pressure: ensuring a steady hold on your matte box.

Light-Sealed

The rings tightly lock the matte box in place, ensuring no light leaks escape around the edges of the lens.

Broadcast-Ready

The ENG variations of the clamp-on rings remove the front lip, which allows the matte box to slide further down on the lens.

Part of the Clamp-On Ring System

Our clamp-on rings are ideal for resizing the end of your lens for matte boxes and other accessories. For adjusting a variety of lenses to a variety of sizes, there are a number of alternate ring clamp sizes available:

143mm Clamp-On Rings

150mm Clamp-On Rings

Additional information

Weight .08 kg
Dimensions 11.4 × 11.4 × 2.5 cm
Donut Size

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Donut Outer Size

Matte Box Compatibility

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