Second Reef

Bun-G-Ring Logo – Fast & Secure Filter Mounting for Filmmakers
Bun-G-Ring attached to a Coral Anamorphic Lens – fast and secure filter mounting solution

The End of Taping Filters

We are proud to be the worldwide exclusive distributor of the Bun-G-Ring, the ultimate solution for mounting filters. Designed by filmmakers for filmmakers, this innovative tool eliminates hassle, saves time, and protects your gear. With its patent-pending design, Bun-G-Ring ensures a secure fit in seconds—giving cinematographers and rental houses a smarter way to work.

The Bun-G-Ring

The Bun-G-Ring is an innovative solution for quickly and securely attaching filters to camera lenses – without the need for tape. Featuring a patented, ultra-lightweight design made of glass fiber-reinforced polyamide and Dyneema® bungee cords, the ring allows for effortless attachment of up to five filters of the same size in seconds. This durable and universally compatible tool saves time and protects valuable equipment on set, making it the ideal choice for industry professionals in film and camera work.

Stacking Support

Stack up to 5 filters of the same size

Durability

Built to withstand the rigors of professional use

Lightweight

Weighs only 61.7 g / 2.17 oz

Bun-G-Ring front view – innovative tool for securing filters on cinema lenses
Universal Compatibility

Fits all standard and custom lens setups

Quick Installation

Mount filters securely in under 4 seconds

Bun-G-Ring front view – innovative tool for securing filters on cinema lenses

Circular Glass Adapter

BGR_CGA

The Circular Glass Adapter (CGA-138) is an add-on accessory for the Bun-G-Ring, designed to mount circular optical elements directly to your lens using the same lightweight bungee system. Weighing just 49.7 g (1.75 oz), it supports diopters, polas, and other circular glass elements with a diameter of 138mm, while maintaining the fast, flexible workflow cinematographers rely on.

  • Mounts directly onto an existing Bun-G-Ring
  • Features a newly developed Spring & Lock Mechanism for secure positioning
  • Allows circular glass to be inserted and swapped from the front
  • Supports the use of rectangular filters in front of or between the CGA and the Bun-G-Ring
  • Multiple CGA-138 units can be stacked when additional optical strength is required
  • Compatible with all Bun-G-Ring sizes (95 / 110 / 114) and corresponding lens front diameters
  • Lightweight, fast, and matte-box free
Side view of the Bun-G-Ring mounted on a Coral Anamorphic Lens – secure filter mounting system for filmmakers

Order Now

Transform the way you work with the Bun-G-Ring – the fastest, most reliable tool for mounting filters. Say goodbye to taping and hello to efficiency. Worldwide shipping available.

Become a Reseller

Interested? Join our network of resellers and offer this game-changing product to your customers. Get exclusive access and support as a Bun-G-Ring dealer.