17mm to 37mm Metal Step-Up Ring – Phone Cage CPL/ND Filter Lens Filter Adapter HIP CN

17mm to 37mm Metal Step-Up Ring – Phone Cage CPL/ND Filter

CN
Sale price  $6.28 Regular price $7.43
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17mm to 37mm Metal Step-Up Ring – Phone Cage CPL/ND Filter Lens Filter Adapter HIP CN

17mm to 37mm Metal Step-Up Ring – Phone Cage CPL/ND Filter

Sale price  $6.28 Regular price $7.43
Ships FromCN

17mm to 37mm Metal Step-Up Ring for Phone Cage

Expand your mobile filmmaking and photography capabilities with this precision-machined 17mm to 37mm Step-Up Ring. Designed specifically for smartphone cages and rigs, this compact aluminum alloy adapter lets you mount 37mm CPL, ND, and other filters onto a 17mm lens thread — unlocking professional-grade creative control without adding bulk to your kit.

Why You'll Love It

  • Premium Aluminum Alloy Construction: Lightweight yet robust, the metal build resists rust and wear for long-lasting, reliable performance shoot after shoot.
  • Precision Machining: Advanced manufacturing ensures a snug, seamless connection between your phone cage and filter — no light leaks, no blurring, just clean, sharp results.
  • Versatile Filter Compatibility: Bridges 17mm inner threads to 37mm outer threads, making it compatible with a wide range of 37mm filters including CPL and ND types for diverse creative needs.
  • Anti-Slip Screw-On Design: Secures quickly and releases effortlessly thanks to the threaded screw-on mechanism with anti-slip grip — saving you time on the go.
  • Ultra-Compact & Portable: Adds virtually no extra weight to your rig, making it perfect for outdoor shoots, travel videography, and run-and-gun content creation.

Specifications

  • Material: Aluminum Alloy
  • Inner Diameter: Approx. 17mm / 0.67 in
  • Outer Diameter: Approx. 37mm / 1.46 in
  • Compatible Filters: 37mm CPL, ND, and more
  • Package Includes: 1 × Lens Step-Up Ring Adapter

What's in the Box

1 × 17mm–37mm Metal Step-Up Ring Adapter

Note: Please allow 1–3mm variance due to manual measurement. Actual color may vary slightly from product images depending on your monitor settings.

Made in Mainland China.

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Frequently Asked Questions

Q: What size filters is this step-up ring compatible with?

A: This step-up ring is designed to adapt a 17mm inner thread to a 37mm outer thread, making it compatible with all standard 37mm filters — including CPL (circular polarizer) and ND (neutral density) filters.

Q: Will this step-up ring fit my smartphone cage?

A: This ring is designed for phone cages and rigs that feature a 17mm lens thread mount. Always verify your cage's thread diameter before purchasing to ensure a proper fit.

Q: Is the step-up ring easy to attach and remove?

A: Yes! The screw-on design with anti-slip grip allows for quick and effortless attachment and detachment, making filter changes fast and hassle-free even during outdoor shoots.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.

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