Tilta

Tilta MB-T12-104 104mm Clamp-on Matte Box Backing

Name: Tilta MB-T12-104 104mm Clamp-on Matte Box Backing
Brand: Tilta
SKU: MB-T12-104

A precision 104mm clamp-on backing ring that secures your Tilta MB-T12 matte box to larger lenses.

$99.00*

*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Tilta MB-T12-104 is a 104mm clamp-on matte box backing designed exclusively for the Tilta MB-T12 Clamp-on Matte Box system. Its purpose is straightforward: it secures the matte box assembly to the front of a lens with a 104mm outer diameter, providing a stable platform for filter stages, top flags, and side wings that control flare and stray light. The clamp-on mechanism grips the lens barrel directly, so the lens does not need front filter threads to accept the matte box — an important advantage when working with cinema lenses or large-diameter photo lenses that lack threaded fronts.

Build quality is consistent with Tilta's broader accessory line, using machined construction to maintain concentricity with the lens axis. This precision keeps filters properly aligned and prevents vignetting in the corners of the frame. For cinematographers and videographers already invested in the MB-T12 matte box ecosystem, adding the 104mm backing extends the system's reach to another class of lenses. Multiple backing sizes can be swapped quickly on set, allowing a single matte box to serve an entire lens kit.

Key Features

Made for Tilta MB-T12 Clamp-on Matte Box

104mm backing for use with lenses with that front diameter

Specifications

Brand

Tilta

Model

MB-T12-104

Type

Clamp-on Matte Box Backing

Diameter

104mm

Compatibility

Tilta MB-T12 Clamp-on Matte Box

Pros & Cons

👍 Pros

Clamp-on design attaches directly to a 104mm lens without requiring screw-in filter threads.
Precision-machined to maintain alignment between the matte box and the optical axis of the lens.
Purpose-built for the Tilta MB-T12 system, ensuring a secure and rattle-free connection.
Allows quick matte box swaps between lenses when paired with other MB-T12 backing sizes.

👎 Cons

Only fits lenses with a 104mm front diameter — a separate backing is required for every other lens size.
Exclusively compatible with the Tilta MB-T12 matte box, offering no cross-brand versatility.
Sold as the backing ring only; the matte box, filter trays, and flags must be purchased separately.
Limited product documentation makes it harder to verify exact material composition and weight before buying.

Frequently Asked Questions

What lenses is this backing compatible with?

It is designed for lenses with a 104mm front diameter, clamping directly onto the lens barrel to mount the Tilta MB-T12 matte box.

Does this backing work with matte boxes other than the Tilta MB-T12?

No, it is specifically engineered for the Tilta MB-T12 Clamp-on Matte Box system and is not guaranteed to fit other manufacturers' matte boxes.

Is any additional hardware needed to attach this backing to the matte box?

The backing is designed to integrate directly with the MB-T12 matte box system. No separate adapter rings are needed, though you should confirm your lens measures exactly 104mm at the front.

Does the backing add significant weight or length to the lens?

Matte box backings are generally lightweight rings. While Tilta does not publish an exact weight for this piece, it adds minimal bulk to the front of the lens.